13801113864 has 48 divisors (see below), whose sum is σ = 37517021100. Its totient is φ = 4583263104.

The previous prime is 13801113857. The next prime is 13801113877. The reversal of 13801113864 is 46831110831.

It can be written as a sum of positive squares in 2 ways, for example, as 10880576100 + 2920537764 = 104310^2 + 54042^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 336919 + ... + 375654.

Almost surely, 2^13801113864 is an apocalyptic number.

It is an amenable number.

13801113864 is an abundant number, since it is smaller than the sum of its proper divisors (23715907236).

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

13801113864 is a wasteful number, since it uses less digits than its factorization.

13801113864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 712854 (or 712847 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The spelling of 13801113864 in words is "thirteen billion, eight hundred one million, one hundred thirteen thousand, eight hundred sixty-four".