15883120912 has 10 divisors (see below), whose sum is σ = 30773546798. Its totient is φ = 7941560448.

The previous prime is 15883120873. The next prime is 15883120919. The reversal of 15883120912 is 21902138851.

It can be written as a sum of positive squares in only one way, i.e., 14907433216 + 975687696 = 122096^2 + 31236^2 .

It is not an unprimeable number, because it can be changed into a prime (15883120919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 496347513 + ... + 496347544.

Almost surely, 2^15883120912 is an apocalyptic number.

It is an amenable number.

15883120912 is a deficient number, since it is larger than the sum of its proper divisors (14890425886).

15883120912 is an equidigital number, since it uses as much as digits as its factorization.

15883120912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 992695065 (or 992695059 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 40.

The spelling of 15883120912 in words is "fifteen billion, eight hundred eighty-three million, one hundred twenty thousand, nine hundred twelve".