520120555415312 has 80 divisors (see below), whose sum is σ = 1115373940070400. Its totient is φ = 233868728770560.

The previous prime is 520120555415309. The next prime is 520120555415323. The reversal of 520120555415312 is 213514555021025.

It is a self number, because there is not a number n which added to its sum of digits gives 520120555415312.

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, 389739737 + ... + 391071992.

It is an arithmetic number, because the mean of its divisors is an integer number (13942174250880).

Almost surely, 2^{520120555415312} is an apocalyptic number.

It is an amenable number.

520120555415312 is an abundant number, since it is smaller than the sum of its proper divisors (595253384655088).

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

520120555415312 is a wasteful number, since it uses less digits than its factorization.

520120555415312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 780811864 (or 780811858 counting only the distinct ones).

The product of its (nonzero) digits is 300000, while the sum is 41.

The spelling of 520120555415312 in words is "five hundred twenty trillion, one hundred twenty billion, five hundred fifty-five million, four hundred fifteen thousand, three hundred twelve".