12565008315 has 24 divisors (see below), whose sum is σ = 21834238608. Its totient is φ = 6684448320.

The previous prime is 12565008289. The next prime is 12565008317. The reversal of 12565008315 is 51380056521.

It is a happy number.

12565008315 is a `hidden beast` number, since 1 + 2 + 565 + 0 + 0 + 83 + 15 = 666.

It is not a de Polignac number, because 12565008315 - 2¹⁵ = 12564975547 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12565008315.

It is not an unprimeable number, because it can be changed into a prime (12565008317) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 333801 + ... + 369530.

It is an arithmetic number, because the mean of its divisors is an integer number (909759942).

Almost surely, 2^12565008315 is an apocalyptic number.

12565008315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12565008315 is a deficient number, since it is larger than the sum of its proper divisors (9269230293).

12565008315 is a wasteful number, since it uses less digits than its factorization.

12565008315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 703739 (or 703736 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 36.

The spelling of 12565008315 in words is "twelve billion, five hundred sixty-five million, eight thousand, three hundred fifteen".