520521504118 has 32 divisors (see below), whose sum is σ = 974070074880. Its totient is φ = 202669906560.

The previous prime is 520521504079. The next prime is 520521504149. The reversal of 520521504118 is 811405125025.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 849058 + ... + 1327381.

It is an arithmetic number, because the mean of its divisors is an integer number (30439689840).

Almost surely, 2^520521504118 is an apocalyptic number.

520521504118 is a deficient number, since it is larger than the sum of its proper divisors (453548570762).

520521504118 is a wasteful number, since it uses less digits than its factorization.

520521504118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2178012.

The product of its (nonzero) digits is 16000, while the sum is 34.

The spelling of 520521504118 in words is "five hundred twenty billion, five hundred twenty-one million, five hundred four thousand, one hundred eighteen".