520013423355 has 32 divisors (see below), whose sum is σ = 876434342400. Its totient is φ = 262556946432.

The previous prime is 520013423311. The next prime is 520013423357. The reversal of 520013423355 is 553324310025.

It is not a de Polignac number, because 520013423355 - 2⁸ = 520013423099 is a prime.

It is not an unprimeable number, because it can be changed into a prime (520013423357) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 245919 + ... + 1049048.

It is an arithmetic number, because the mean of its divisors is an integer number (27388573200).

Almost surely, 2^520013423355 is an apocalyptic number.

520013423355 is a deficient number, since it is larger than the sum of its proper divisors (356420919045).

520013423355 is a wasteful number, since it uses less digits than its factorization.

520013423355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1296403.

The product of its (nonzero) digits is 54000, while the sum is 33.

The spelling of 520013423355 in words is "five hundred twenty billion, thirteen million, four hundred twenty-three thousand, three hundred fifty-five".