520851424158025 has 12 divisors (see below), whose sum is σ = 647806991845264. Its totient is φ = 415422283914000.

The previous prime is 520851424158001. The next prime is 520851424158059.

520851424158025 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 520851424158025 - 2⁴⁵ = 485667052069193 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31471376871 + ... + 31471393420.

Almost surely, 2^{520851424158025} is an apocalyptic number.

It is an amenable number.

520851424158025 is a deficient number, since it is larger than the sum of its proper divisors (126955567687239).

520851424158025 is a wasteful number, since it uses less digits than its factorization.

520851424158025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62942770632 (or 62942770627 counting only the distinct ones).

The product of its (nonzero) digits is 5120000, while the sum is 52.

The spelling of 520851424158025 in words is "five hundred twenty trillion, eight hundred fifty-one billion, four hundred twenty-four million, one hundred fifty-eight thousand, twenty-five".