How do you spell out this number in French??

11,437,333,521

Any french speakers? could someone check if my grammar is correct? my text: ma visite au zoo se passe bien. c’est très intéressant. ii y a les ours, les éléphants, les lions, les singes, les tigres, et les canards. les ours dorment. les singes sauter beaucoup. les tigres courent vite. les marchent canards.what i was it to say in english: my visit to the zoo is going good. it is very interesting. there are bears, elephants, lions, monkeys, tigers, and ducks. the bears sleep. the monkeys jump a lot. the tigers run fast. the ducks walk.

Ihave to write about myself in french so here's what i got so far and just make sure i have no spelling mistakes (i'm just and beginner) je dois ecrire sur moi- meme en francias alors voici ce que j'ai (je suis juste un debutant) a propos de moi : - je m'apple (my name). je suis age de (my age). mon anniversaire tombe en (my birthday) .ma couler preferee est le rounge,le blanc,violet. je aime le sujet francias !

French ! translate this sentence to french (use est-ce que): i know those two churches. which one do you (your boss) attend?