13906556115165 has 80 divisors (see below), whose sum is σ = 28972927589760. Its totient is φ = 6249532164480.

The previous prime is 13906556115143. The next prime is 13906556115239. The reversal of 13906556115165 is 56151165560931.

It is a happy number.

13906556115165 is a `hidden beast` number, since 1 + 3 + 9 + 0 + 6 + 5 + 5 + 611 + 5 + 16 + 5 = 666.

It is not a de Polignac number, because 13906556115165 - 2⁸ = 13906556114909 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 41403166 + ... + 41737695.

It is an arithmetic number, because the mean of its divisors is an integer number (362161594872).

Almost surely, 2^{13906556115165} is an apocalyptic number.

13906556115165 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13906556115165 is an abundant number, since it is smaller than the sum of its proper divisors (15066371474595).

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

13906556115165 is an equidigital number, since it uses as much as digits as its factorization.

13906556115165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83140944 (or 83140935 counting only the distinct ones).

The product of its (nonzero) digits is 3645000, while the sum is 54.

The spelling of 13906556115165 in words is "thirteen trillion, nine hundred six billion, five hundred fifty-six million, one hundred fifteen thousand, one hundred sixty-five".