13715013265657 has 4 divisors (see below), whose sum is σ = 14961832653456. Its totient is φ = 12468193877860.

The previous prime is 13715013265649. The next prime is 13715013265691. The reversal of 13715013265657 is 75656231051731.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13715013265657 - 2³ = 13715013265649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13715013235657) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 623409693883 + ... + 623409693904.

It is an arithmetic number, because the mean of its divisors is an integer number (3740458163364).

Almost surely, 2^{13715013265657} is an apocalyptic number.

It is an amenable number.

13715013265657 is a deficient number, since it is larger than the sum of its proper divisors (1246819387799).

13715013265657 is a wasteful number, since it uses less digits than its factorization.

13715013265657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1246819387798.

The product of its (nonzero) digits is 3969000, while the sum is 52.

The spelling of 13715013265657 in words is "thirteen trillion, seven hundred fifteen billion, thirteen million, two hundred sixty-five thousand, six hundred fifty-seven".