13905200256120 has 96 divisors (see below), whose sum is σ = 45657796831920. Its totient is φ = 3669826037760.

The previous prime is 13905200256113. The next prime is 13905200256133. The reversal of 13905200256120 is 2165200250931.

It is a happy number.

13905200256120 is a `hidden beast` number, since 1 + 3 + 9 + 0 + 520 + 0 + 2 + 5 + 6 + 120 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 199065886 + ... + 199135725.

Almost surely, 2^{13905200256120} is an apocalyptic number.

13905200256120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13905200256120 is an abundant number, since it is smaller than the sum of its proper divisors (31752596575800).

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

13905200256120 is a wasteful number, since it uses less digits than its factorization.

13905200256120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398201725 (or 398201718 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The spelling of 13905200256120 in words is "thirteen trillion, nine hundred five billion, two hundred million, two hundred fifty-six thousand, one hundred twenty".