13155836800 has 48 divisors (see below), whose sum is σ = 32499036000. Its totient is φ = 5262333440.

The previous prime is 13155836789. The next prime is 13155836849. The reversal of 13155836800 is 863855131.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2052400 + ... + 2058799.

It is an arithmetic number, because the mean of its divisors is an integer number (677063250).

Almost surely, 2^13155836800 is an apocalyptic number.

13155836800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13155836800 is an abundant number, since it is smaller than the sum of its proper divisors (19343199200).

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

13155836800 is an equidigital number, since it uses as much as digits as its factorization.

13155836800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4111223 (or 4111206 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 40.

The spelling of 13155836800 in words is "thirteen billion, one hundred fifty-five million, eight hundred thirty-six thousand, eight hundred".