520659608705 has 16 divisors (see below), whose sum is σ = 638353419264. Its totient is φ = 407493885120.

The previous prime is 520659608701. The next prime is 520659608717. The reversal of 520659608705 is 507806956025.

It is not a de Polignac number, because 520659608705 - 2² = 520659608701 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (520659608701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95135 + ... + 1024875.

It is an arithmetic number, because the mean of its divisors is an integer number (39897088704).

Almost surely, 2^520659608705 is an apocalyptic number.

It is an amenable number.

520659608705 is a deficient number, since it is larger than the sum of its proper divisors (117693810559).

520659608705 is a wasteful number, since it uses less digits than its factorization.

520659608705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 932176.

The product of its (nonzero) digits is 4536000, while the sum is 53.

The spelling of 520659608705 in words is "five hundred twenty billion, six hundred fifty-nine million, six hundred eight thousand, seven hundred five".