12556526522 has 8 divisors (see below), whose sum is σ = 18835320576. Its totient is φ = 6278086332.

The previous prime is 12556526513. The next prime is 12556526537. The reversal of 12556526522 is 22562565521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 12556526522.

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, 34343 + ... + 162149.

It is an arithmetic number, because the mean of its divisors is an integer number (2354415072).

Almost surely, 2^12556526522 is an apocalyptic number.

12556526522 is a deficient number, since it is larger than the sum of its proper divisors (6278794054).

12556526522 is a wasteful number, since it uses less digits than its factorization.

12556526522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176932.

The product of its digits is 360000, while the sum is 41.

The spelling of 12556526522 in words is "twelve billion, five hundred fifty-six million, five hundred twenty-six thousand, five hundred twenty-two".