12556039096 has 64 divisors (see below), whose sum is σ = 25296727680. Its totient is φ = 5832299520.

The previous prime is 12556039033. The next prime is 12556039103. The reversal of 12556039096 is 69093065521.

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, 559386 + ... + 581398.

It is an arithmetic number, because the mean of its divisors is an integer number (395261370).

Almost surely, 2^12556039096 is an apocalyptic number.

It is an amenable number.

12556039096 is an abundant number, since it is smaller than the sum of its proper divisors (12740688584).

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

12556039096 is a wasteful number, since it uses less digits than its factorization.

12556039096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22144 (or 22140 counting only the distinct ones).

The product of its (nonzero) digits is 437400, while the sum is 46.

The spelling of 12556039096 in words is "twelve billion, five hundred fifty-six million, thirty-nine thousand, ninety-six".