10971575172 has 24 divisors (see below), whose sum is σ = 28444824800. Its totient is φ = 3657191688.

The previous prime is 10971575123. The next prime is 10971575189. The reversal of 10971575172 is 27157517901.

10971575172 is a `hidden beast` number, since 1 + 0 + 9 + 7 + 1 + 575 + 1 + 72 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50794222 + ... + 50794437.

Almost surely, 2^10971575172 is an apocalyptic number.

10971575172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10971575172 is an abundant number, since it is smaller than the sum of its proper divisors (17473249628).

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

10971575172 is a wasteful number, since it uses less digits than its factorization.

10971575172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101588672 (or 101588664 counting only the distinct ones).

The product of its (nonzero) digits is 154350, while the sum is 45.

The spelling of 10971575172 in words is "ten billion, nine hundred seventy-one million, five hundred seventy-five thousand, one hundred seventy-two".