520065217113 has 24 divisors (see below), whose sum is σ = 750910517280. Its totient is φ = 320020047360.

The previous prime is 520065217097. The next prime is 520065217153. The reversal of 520065217113 is 311712560025.

It is not a de Polignac number, because 520065217113 - 2⁴ = 520065217097 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (520065217153) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14665518 + ... + 14700936.

It is an arithmetic number, because the mean of its divisors is an integer number (31287938220).

Almost surely, 2^520065217113 is an apocalyptic number.

It is an amenable number.

520065217113 is a deficient number, since it is larger than the sum of its proper divisors (230845300167).

520065217113 is a wasteful number, since it uses less digits than its factorization.

520065217113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64409 (or 64396 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 33.

Adding to 520065217113 its reverse (311712560025), we get a palindrome (831777777138).

The spelling of 520065217113 in words is "five hundred twenty billion, sixty-five million, two hundred seventeen thousand, one hundred thirteen".