15256054254156 has 12 divisors (see below), whose sum is σ = 35597459926392. Its totient is φ = 5085351418048.

The previous prime is 15256054254143. The next prime is 15256054254197. The reversal of 15256054254156 is 65145245065251.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 15256054254099 and 15256054254108.

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, 635668927245 + ... + 635668927268.

It is an arithmetic number, because the mean of its divisors is an integer number (2966454993866).

Almost surely, 2^{15256054254156} is an apocalyptic number.

It is an amenable number.

15256054254156 is an abundant number, since it is smaller than the sum of its proper divisors (20341405672236).

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

15256054254156 is a wasteful number, since it uses less digits than its factorization.

15256054254156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1271337854520 (or 1271337854518 counting only the distinct ones).

The product of its (nonzero) digits is 7200000, while the sum is 51.

The spelling of 15256054254156 in words is "fifteen trillion, two hundred fifty-six billion, fifty-four million, two hundred fifty-four thousand, one hundred fifty-six".