15900115232 has 48 divisors (see below), whose sum is σ = 33157797120. Its totient is φ = 7479456768.

The previous prime is 15900115223. The next prime is 15900115237. The reversal of 15900115232 is 23251100951.

It is a junction number, because it is equal to n+sod(n) for n = 15900115195 and 15900115204.

It is not an unprimeable number, because it can be changed into a prime (15900115237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2045369 + ... + 2053127.

It is an arithmetic number, because the mean of its divisors is an integer number (690787440).

Almost surely, 2^15900115232 is an apocalyptic number.

It is an amenable number.

15900115232 is an abundant number, since it is smaller than the sum of its proper divisors (17257681888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15900115232 is a wasteful number, since it uses less digits than its factorization.

15900115232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11553 (or 11545 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 29.

The spelling of 15900115232 in words is "fifteen billion, nine hundred million, one hundred fifteen thousand, two hundred thirty-two".