13385811172 has 24 divisors (see below), whose sum is σ = 23591887200. Its totient is φ = 6645386496.

The previous prime is 13385811161. The next prime is 13385811181. The reversal of 13385811172 is 27111858331.

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, 467979 + ... + 495757.

It is an arithmetic number, because the mean of its divisors is an integer number (982995300).

Almost surely, 2^13385811172 is an apocalyptic number.

It is an amenable number.

13385811172 is a deficient number, since it is larger than the sum of its proper divisors (10206076028).

13385811172 is a wasteful number, since it uses less digits than its factorization.

13385811172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28635 (or 28633 counting only the distinct ones).

The product of its digits is 40320, while the sum is 40.

The spelling of 13385811172 in words is "thirteen billion, three hundred eighty-five million, eight hundred eleven thousand, one hundred seventy-two".