520551113934 has 16 divisors (see below), whose sum is σ = 1044449827200. Its totient is φ = 172959104760.

The previous prime is 520551113933. The next prime is 520551114011. The reversal of 520551113934 is 439311155025.

It is a junction number, because it is equal to n+sod(n) for n = 520551113892 and 520551113901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520551113933) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139481284 + ... + 139485015.

It is an arithmetic number, because the mean of its divisors is an integer number (65278114200).

Almost surely, 2^520551113934 is an apocalyptic number.

520551113934 is an abundant number, since it is smaller than the sum of its proper divisors (523898713266).

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

520551113934 is a wasteful number, since it uses less digits than its factorization.

520551113934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278966615.

The product of its (nonzero) digits is 81000, while the sum is 39.

Adding to 520551113934 its reverse (439311155025), we get a palindrome (959862268959).

The spelling of 520551113934 in words is "five hundred twenty billion, five hundred fifty-one million, one hundred thirteen thousand, nine hundred thirty-four".