How Do you Pronounce fifteen billion million thousand nine hundred ninety seven in english ?

fifteen billion million thousand nine hundred ninety seven Pronunciation in english(IPA) :

ˈfɪftiːn ˈbɪljən ˈmɪljən ˈθaʊz(ə)nd nʌɪn ˈhʌndrəd ˈnʌɪnti ˈsɛv(ə)n