15023544540056 has 16 divisors (see below), whose sum is σ = 30336003398400. Its totient is φ = 6933943633824.

The previous prime is 15023544540049. The next prime is 15023544540079. The reversal of 15023544540056 is 65004544532051.

It is a junction number, because it is equal to n+sod(n) for n = 15023544539989 and 15023544540016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72228579416 + ... + 72228579623.

It is an arithmetic number, because the mean of its divisors is an integer number (1896000212400).

Almost surely, 2^{15023544540056} is an apocalyptic number.

It is an amenable number.

15023544540056 is an abundant number, since it is smaller than the sum of its proper divisors (15312458858344).

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

15023544540056 is a wasteful number, since it uses less digits than its factorization.

15023544540056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144457159058 (or 144457159054 counting only the distinct ones).

The product of its (nonzero) digits is 1440000, while the sum is 44.

The spelling of 15023544540056 in words is "fifteen trillion, twenty-three billion, five hundred forty-four million, five hundred forty thousand, fifty-six".