12568255525 has 12 divisors (see below), whose sum is σ = 17811013792. Its totient is φ = 8618232240.

The previous prime is 12568255487. The next prime is 12568255529. The reversal of 12568255525 is 52555286521.

It is a de Polignac number, because none of the positive numbers 2^k-12568255525 is a prime.

It is a super-2 number, since 2×12568255525² (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12568255529) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35909127 + ... + 35909476.

Almost surely, 2^12568255525 is an apocalyptic number.

It is an amenable number.

12568255525 is a deficient number, since it is larger than the sum of its proper divisors (5242758267).

12568255525 is an equidigital number, since it uses as much as digits as its factorization.

12568255525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71818620 (or 71818615 counting only the distinct ones).

The product of its digits is 1200000, while the sum is 46.

The spelling of 12568255525 in words is "twelve billion, five hundred sixty-eight million, two hundred fifty-five thousand, five hundred twenty-five".