520726466611 has 16 divisors (see below), whose sum is σ = 586128420864. Its totient is φ = 459014253984.

The previous prime is 520726466551. The next prime is 520726466621. The reversal of 520726466611 is 116664627025.

It is not a de Polignac number, because 520726466611 - 2⁷ = 520726466483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (520726466621) 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, 1253071 + ... + 1616056.

It is an arithmetic number, because the mean of its divisors is an integer number (36633026304).

Almost surely, 2^520726466611 is an apocalyptic number.

520726466611 is a deficient number, since it is larger than the sum of its proper divisors (65401954253).

520726466611 is a wasteful number, since it uses less digits than its factorization.

520726466611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2869770.

The product of its (nonzero) digits is 725760, while the sum is 46.

The spelling of 520726466611 in words is "five hundred twenty billion, seven hundred twenty-six million, four hundred sixty-six thousand, six hundred eleven".