520507061214 has 40 divisors (see below), whose sum is σ = 1214444247240. Its totient is φ = 148716299088.

The previous prime is 520507061197. The next prime is 520507061287. The reversal of 520507061214 is 412160705025.

It is a super-3 number, since 3×520507061214³ (a number of 36 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 18051229 + ... + 18080040.

It is an arithmetic number, because the mean of its divisors is an integer number (30361106181).

Almost surely, 2^520507061214 is an apocalyptic number.

520507061214 is an abundant number, since it is smaller than the sum of its proper divisors (693937186026).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

520507061214 is an equidigital number, since it uses as much as digits as its factorization.

520507061214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36131302 (or 36131281 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 33.

Adding to 520507061214 its reverse (412160705025), we get a palindrome (932667766239).

The spelling of 520507061214 in words is "five hundred twenty billion, five hundred seven million, sixty-one thousand, two hundred fourteen".