520265121117 has 48 divisors (see below), whose sum is σ = 813252667392. Its totient is φ = 294975444960.

The previous prime is 520265121073. The next prime is 520265121163. The reversal of 520265121117 is 711121562025.

It is not a de Polignac number, because 520265121117 - 2³² = 515970153821 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520265121017) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 14526442 + ... + 14562212.

It is an arithmetic number, because the mean of its divisors is an integer number (16942763904).

Almost surely, 2^520265121117 is an apocalyptic number.

It is an amenable number.

520265121117 is a deficient number, since it is larger than the sum of its proper divisors (292987546275).

520265121117 is a wasteful number, since it uses less digits than its factorization.

520265121117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36558 (or 36551 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 33.

The spelling of 520265121117 in words is "five hundred twenty billion, two hundred sixty-five million, one hundred twenty-one thousand, one hundred seventeen".