513579975315 has 16 divisors (see below), whose sum is σ = 896430502656. Its totient is φ = 249008472800.

The previous prime is 513579975283. The next prime is 513579975317.

513579975315 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 513579975315 - 2⁵ = 513579975283 is a prime.

It is not an unprimeable number, because it can be changed into a prime (513579975317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1556302791 + ... + 1556303120.

It is an arithmetic number, because the mean of its divisors is an integer number (56026906416).

Almost surely, 2^513579975315 is an apocalyptic number.

513579975315 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

513579975315 is a deficient number, since it is larger than the sum of its proper divisors (382850527341).

513579975315 is a wasteful number, since it uses less digits than its factorization.

513579975315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3112605930.

The product of its digits is 22325625, while the sum is 60.

The spelling of 513579975315 in words is "five hundred thirteen billion, five hundred seventy-nine million, nine hundred seventy-five thousand, three hundred fifteen".