12626540253 has 112 divisors (see below), whose sum is σ = 20554136064. Its totient is φ = 7732882080.

The previous prime is 12626540239. The next prime is 12626540257. The reversal of 12626540253 is 35204562621.

12626540253 is a `hidden beast` number, since 1 + 2 + 62 + 6 + 540 + 2 + 53 = 666.

It is not a de Polignac number, because 12626540253 - 2⁵ = 12626540221 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12626540257) by changing a digit.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 59841318 + ... + 59841528.

It is an arithmetic number, because the mean of its divisors is an integer number (183519072).

Almost surely, 2^12626540253 is an apocalyptic number.

It is an amenable number.

12626540253 is a deficient number, since it is larger than the sum of its proper divisors (7927595811).

12626540253 is an equidigital number, since it uses as much as digits as its factorization.

12626540253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378 (or 363 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The spelling of 12626540253 in words is "twelve billion, six hundred twenty-six million, five hundred forty thousand, two hundred fifty-three".