15105132672 has 128 divisors (see below), whose sum is σ = 48552359040. Its totient is φ = 4061872128.

The previous prime is 15105132661. The next prime is 15105132703. The reversal of 15105132672 is 27623150151.

It is a tau number, because it is divible by the number of its divisors (128).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119583 + ... + 210974.

It is an arithmetic number, because the mean of its divisors is an integer number (379315305).

Almost surely, 2^15105132672 is an apocalyptic number.

15105132672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15105132672 is an abundant number, since it is smaller than the sum of its proper divisors (33447226368).

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

15105132672 is a wasteful number, since it uses less digits than its factorization.

15105132672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330598 (or 330586 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 33.

The spelling of 15105132672 in words is "fifteen billion, one hundred five million, one hundred thirty-two thousand, six hundred seventy-two".