54515122120156 has 48 divisors (see below), whose sum is σ = 96813871741440. Its totient is φ = 26855511696000.

The previous prime is 54515122120141. The next prime is 54515122120177. The reversal of 54515122120156 is 65102122151545.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 533850855 + ... + 533952961.

It is an arithmetic number, because the mean of its divisors is an integer number (2016955661280).

Almost surely, 2^{54515122120156} is an apocalyptic number.

It is an amenable number.

54515122120156 is a deficient number, since it is larger than the sum of its proper divisors (42298749621284).

54515122120156 is a wasteful number, since it uses less digits than its factorization.

54515122120156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105754 (or 105752 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 40.

The spelling of 54515122120156 in words is "fifty-four trillion, five hundred fifteen billion, one hundred twenty-two million, one hundred twenty thousand, one hundred fifty-six".