520342134515 has 24 divisors (see below), whose sum is σ = 741809524032. Its totient is φ = 349214409600.

The previous prime is 520342134509. The next prime is 520342134517. The reversal of 520342134515 is 515431243025.

It is not a de Polignac number, because 520342134515 - 2²⁶ = 520275025651 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (520342134517) 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, 22582586 + ... + 22605615.

It is an arithmetic number, because the mean of its divisors is an integer number (30908730168).

Almost surely, 2^520342134515 is an apocalyptic number.

520342134515 is a deficient number, since it is larger than the sum of its proper divisors (221467389517).

520342134515 is a wasteful number, since it uses less digits than its factorization.

520342134515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45188267 (or 45188260 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 35.

The spelling of 520342134515 in words is "five hundred twenty billion, three hundred forty-two million, one hundred thirty-four thousand, five hundred fifteen".