520555045065413 has 32 divisors (see below), whose sum is σ = 544857203404800. Its totient is φ = 496886370716736.

The previous prime is 520555045065347. The next prime is 520555045065439. The reversal of 520555045065413 is 314560540555025.

It is a cyclic number.

It is not a de Polignac number, because 520555045065413 - 2¹⁴ = 520555045049029 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520555045065463) 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, 702429956 + ... + 703170642.

It is an arithmetic number, because the mean of its divisors is an integer number (17026787606400).

Almost surely, 2^{520555045065413} is an apocalyptic number.

520555045065413 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

It is an amenable number.

520555045065413 is a deficient number, since it is larger than the sum of its proper divisors (24302158339387).

520555045065413 is a wasteful number, since it uses less digits than its factorization.

520555045065413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 742001.

The product of its (nonzero) digits is 9000000, while the sum is 50.

The spelling of 520555045065413 in words is "five hundred twenty trillion, five hundred fifty-five billion, forty-five million, sixty-five thousand, four hundred thirteen".