520264557117 has 8 divisors (see below), whose sum is σ = 770762306880. Its totient is φ = 346843038060.

The previous prime is 520264557107. The next prime is 520264557133. The reversal of 520264557117 is 711755462025.

520264557117 is a `hidden beast` number, since 5 + 2 + 0 + 2 + 64 + 5 + 571 + 17 = 666.

It is not a de Polignac number, because 520264557117 - 2⁴ = 520264557101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520264557107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9634528809 + ... + 9634528862.

It is an arithmetic number, because the mean of its divisors is an integer number (96345288360).

Almost surely, 2^520264557117 is an apocalyptic number.

It is an amenable number.

520264557117 is a deficient number, since it is larger than the sum of its proper divisors (250497749763).

520264557117 is a wasteful number, since it uses less digits than its factorization.

520264557117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19269057680 (or 19269057674 counting only the distinct ones).

The product of its (nonzero) digits is 588000, while the sum is 45.

The spelling of 520264557117 in words is "five hundred twenty billion, two hundred sixty-four million, five hundred fifty-seven thousand, one hundred seventeen".