520535016056 has 32 divisors (see below), whose sum is σ = 1067781582000. Its totient is φ = 235928855040.

The previous prime is 520535016047. The next prime is 520535016137. The reversal of 520535016056 is 650610535025.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8443745 + ... + 8505168.

Almost surely, 2^520535016056 is an apocalyptic number.

It is an amenable number.

520535016056 is an abundant number, since it is smaller than the sum of its proper divisors (547246565944).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

520535016056 is a wasteful number, since it uses less digits than its factorization.

520535016056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16949279 (or 16949275 counting only the distinct ones).

The product of its (nonzero) digits is 135000, while the sum is 38.

The spelling of 520535016056 in words is "five hundred twenty billion, five hundred thirty-five million, sixteen thousand, fifty-six".