12530615256 has 48 divisors (see below), whose sum is σ = 33948565560. Its totient is φ = 4175458560.

The previous prime is 12530615243. The next prime is 12530615267. The reversal of 12530615256 is 65251603521.

12530615256 is a `hidden beast` number, since 1 + 2 + 5 + 30 + 615 + 2 + 5 + 6 = 666.

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

It is a self number, because there is not a number n which added to its sum of digits gives 12530615256.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 196831 + ... + 252593.

Almost surely, 2^12530615256 is an apocalyptic number.

It is an amenable number.

12530615256 is an abundant number, since it is smaller than the sum of its proper divisors (21417950304).

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

12530615256 is a wasteful number, since it uses less digits than its factorization.

12530615256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58896 (or 58889 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

The spelling of 12530615256 in words is "twelve billion, five hundred thirty million, six hundred fifteen thousand, two hundred fifty-six".