12265157313 has 6 divisors (see below), whose sum is σ = 17716338354. Its totient is φ = 8176771536.

The previous prime is 12265157309. The next prime is 12265157321. The reversal of 12265157313 is 31375156221.

12265157313 is a `hidden beast` number, since 1 + 2 + 26 + 51 + 573 + 13 = 666.

It can be written as a sum of positive squares in only one way, i.e., 6562944144 + 5702213169 = 81012^2 + 75513^2 .

It is not a de Polignac number, because 12265157313 - 2² = 12265157309 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12265157323) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 681397620 + ... + 681397637.

It is an arithmetic number, because the mean of its divisors is an integer number (2952723059).

Almost surely, 2^12265157313 is an apocalyptic number.

It is an amenable number.

12265157313 is a deficient number, since it is larger than the sum of its proper divisors (5451181041).

12265157313 is a wasteful number, since it uses less digits than its factorization.

12265157313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1362795263 (or 1362795260 counting only the distinct ones).

The product of its digits is 37800, while the sum is 36.

The spelling of 12265157313 in words is "twelve billion, two hundred sixty-five million, one hundred fifty-seven thousand, three hundred thirteen".