12526270475656 has 64 divisors (see below), whose sum is σ = 27124764192000. Its totient is φ = 5312009084928.

The previous prime is 12526270475627. The next prime is 12526270475669. The reversal of 12526270475656 is 65657407262521.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 12526270475656.

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, 2138136 + ... + 5442808.

It is an arithmetic number, because the mean of its divisors is an integer number (423824440500).

Almost surely, 2^{12526270475656} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12526270475656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13562382096000).

12526270475656 is an abundant number, since it is smaller than the sum of its proper divisors (14598493716344).

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

12526270475656 is a wasteful number, since it uses less digits than its factorization.

12526270475656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3305398 (or 3305394 counting only the distinct ones).

The product of its (nonzero) digits is 42336000, while the sum is 58.

The spelling of 12526270475656 in words is "twelve trillion, five hundred twenty-six billion, two hundred seventy million, four hundred seventy-five thousand, six hundred fifty-six".