15185055876872 has 48 divisors (see below), whose sum is σ = 33259045824000. Its totient is φ = 6480651422112.

The previous prime is 15185055876841. The next prime is 15185055876899. The reversal of 15185055876872 is 27867855058151.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 80946872 + ... + 81134247.

It is an arithmetic number, because the mean of its divisors is an integer number (692896788000).

Almost surely, 2^{15185055876872} is an apocalyptic number.

It is an amenable number.

15185055876872 is an abundant number, since it is smaller than the sum of its proper divisors (18073989947128).

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

15185055876872 is a wasteful number, since it uses less digits than its factorization.

15185055876872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162081378 (or 162081367 counting only the distinct ones).

The product of its (nonzero) digits is 188160000, while the sum is 68.

The spelling of 15185055876872 in words is "fifteen trillion, one hundred eighty-five billion, fifty-five million, eight hundred seventy-six thousand, eight hundred seventy-two".