520867928681401 has 16 divisors (see below), whose sum is σ = 601440822573696. Its totient is φ = 441836234896896.

The previous prime is 520867928681323. The next prime is 520867928681483. The reversal of 520867928681401 is 104186829768025.

It is not a de Polignac number, because 520867928681401 - 2³⁵ = 520833568943033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (520867928681801) 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, 1232491 + ... + 32299456.

It is an arithmetic number, because the mean of its divisors is an integer number (37590051410856).

Almost surely, 2^{520867928681401} is an apocalyptic number.

It is an amenable number.

520867928681401 is a deficient number, since it is larger than the sum of its proper divisors (80572893892295).

520867928681401 is a wasteful number, since it uses less digits than its factorization.

520867928681401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33554928.

The product of its (nonzero) digits is 92897280, while the sum is 67.

The spelling of 520867928681401 in words is "five hundred twenty trillion, eight hundred sixty-seven billion, nine hundred twenty-eight million, six hundred eighty-one thousand, four hundred one".