13911800972 has 12 divisors (see below), whose sum is σ = 24354514296. Its totient is φ = 6953368320.

The previous prime is 13911800957. The next prime is 13911801023. The reversal of 13911800972 is 27900811931.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 620654 + ... + 642677.

It is an arithmetic number, because the mean of its divisors is an integer number (2029542858).

Almost surely, 2^13911800972 is an apocalyptic number.

It is an amenable number.

13911800972 is a deficient number, since it is larger than the sum of its proper divisors (10442713324).

13911800972 is a wasteful number, since it uses less digits than its factorization.

13911800972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1266088 (or 1266086 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 41.

The spelling of 13911800972 in words is "thirteen billion, nine hundred eleven million, eight hundred thousand, nine hundred seventy-two".