520235531113 has 16 divisors (see below), whose sum is σ = 551420101120. Its totient is φ = 489434939136.

The previous prime is 520235531093. The next prime is 520235531117. The reversal of 520235531113 is 311135532025.

It is a cyclic number.

It is not a de Polignac number, because 520235531113 - 2²¹ = 520233433961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (520235531117) 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 15 ways as a sum of consecutive naturals, for example, 5251720 + ... + 5349862.

It is an arithmetic number, because the mean of its divisors is an integer number (34463756320).

Almost surely, 2^520235531113 is an apocalyptic number.

It is an amenable number.

520235531113 is a deficient number, since it is larger than the sum of its proper divisors (31184570007).

520235531113 is a wasteful number, since it uses less digits than its factorization.

520235531113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100096.

The product of its (nonzero) digits is 13500, while the sum is 31.

The spelling of 520235531113 in words is "five hundred twenty billion, two hundred thirty-five million, five hundred thirty-one thousand, one hundred thirteen".