520012545512507 has 16 divisors (see below), whose sum is σ = 528088344426720. Its totient is φ = 511999339418112.

The previous prime is 520012545512479. The next prime is 520012545512563. The reversal of 520012545512507 is 705215545210025.

It is a cyclic number.

It is not a de Polignac number, because 520012545512507 - 2⁶ = 520012545512443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (520012545512587) 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, 67094828 + ... + 74442870.

It is an arithmetic number, because the mean of its divisors is an integer number (33005521526670).

Almost surely, 2^{520012545512507} is an apocalyptic number.

520012545512507 is a deficient number, since it is larger than the sum of its proper divisors (8075798914213).

520012545512507 is a wasteful number, since it uses less digits than its factorization.

520012545512507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7352302.

The product of its (nonzero) digits is 700000, while the sum is 44.

The spelling of 520012545512507 in words is "five hundred twenty trillion, twelve billion, five hundred forty-five million, five hundred twelve thousand, five hundred seven".