517011513879 has 64 divisors (see below), whose sum is σ = 832617031680. Its totient is φ = 278982696960.

The previous prime is 517011513877. The next prime is 517011513913. The reversal of 517011513879 is 978315110715.

It is not a de Polignac number, because 517011513879 - 2¹ = 517011513877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (517011513877) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 19148569 + ... + 19175549.

It is an arithmetic number, because the mean of its divisors is an integer number (13009641120).

Almost surely, 2^517011513879 is an apocalyptic number.

517011513879 is a deficient number, since it is larger than the sum of its proper divisors (315605517801).

517011513879 is a wasteful number, since it uses less digits than its factorization.

517011513879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27520.

The product of its (nonzero) digits is 264600, while the sum is 48.

The spelling of 517011513879 in words is "five hundred seventeen billion, eleven million, five hundred thirteen thousand, eight hundred seventy-nine".