315755262557513 has 4 divisors (see below), whose sum is σ = 315788364072720. Its totient is φ = 315722161042308.

The previous prime is 315755262557503. The next prime is 315755262557557.

315755262557513 is nontrivially palindromic in base 10.

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 a de Polignac number, because none of the positive numbers 2^k-315755262557513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (315755262557503) 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, 16550743295 + ... + 16550762372.

It is an arithmetic number, because the mean of its divisors is an integer number (78947091018180).

Almost surely, 2^{315755262557513} is an apocalyptic number.

It is an amenable number.

315755262557513 is a deficient number, since it is larger than the sum of its proper divisors (33101515207).

315755262557513 is an equidigital number, since it uses as much as digits as its factorization.

315755262557513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33101515206.

The product of its digits is 165375000, while the sum is 62.

The spelling of 315755262557513 in words is "three hundred fifteen trillion, seven hundred fifty-five billion, two hundred sixty-two million, five hundred fifty-seven thousand, five hundred thirteen".