520612125696 has 528 divisors, whose sum is σ = 1720967006304. Its totient is φ = 150164471808.

The previous prime is 520612125661. The next prime is 520612125697. The reversal of 520612125696 is 696521216025.

520612125696 is a `hidden beast` number, since 5 + 2 + 0 + 61 + 21 + 2 + 569 + 6 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520612125697) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 902273760 + ... + 902274336.

Almost surely, 2^520612125696 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 520612125696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (860483503152).

520612125696 is an abundant number, since it is smaller than the sum of its proper divisors (1200354880608).

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

520612125696 is a wasteful number, since it uses less digits than its factorization.

520612125696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1076 (or 1055 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 45.

The spelling of 520612125696 in words is "five hundred twenty billion, six hundred twelve million, one hundred twenty-five thousand, six hundred ninety-six".