12506265715 has 4 divisors (see below), whose sum is σ = 15007518864. Its totient is φ = 10005012568.

The previous prime is 12506265701. The next prime is 12506265763. The reversal of 12506265715 is 51756260521.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12506265715 - 2¹³ = 12506257523 is a prime.

It is a super-2 number, since 2×12506265715² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1250626567 + ... + 1250626576.

It is an arithmetic number, because the mean of its divisors is an integer number (3751879716).

Almost surely, 2^12506265715 is an apocalyptic number.

12506265715 is a deficient number, since it is larger than the sum of its proper divisors (2501253149).

12506265715 is an equidigital number, since it uses as much as digits as its factorization.

12506265715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2501253148.

The product of its (nonzero) digits is 126000, while the sum is 40.

The spelling of 12506265715 in words is "twelve billion, five hundred six million, two hundred sixty-five thousand, seven hundred fifteen".