520463501106261 has 16 divisors (see below), whose sum is σ = 694028932012416. Its totient is φ = 346936870619136.

The previous prime is 520463501106239. The next prime is 520463501106379. The reversal of 520463501106261 is 162601105364025.

It is not a de Polignac number, because 520463501106261 - 2⁵ = 520463501106229 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 (520463501106221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1276339941 + ... + 1276747653.

It is an arithmetic number, because the mean of its divisors is an integer number (43376808250776).

Almost surely, 2^{520463501106261} is an apocalyptic number.

It is an amenable number.

520463501106261 is a deficient number, since it is larger than the sum of its proper divisors (173565430906155).

520463501106261 is a wasteful number, since it uses less digits than its factorization.

520463501106261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454252.

The product of its (nonzero) digits is 259200, while the sum is 42.

The spelling of 520463501106261 in words is "five hundred twenty trillion, four hundred sixty-three billion, five hundred one million, one hundred six thousand, two hundred sixty-one".