500561051111 has 48 divisors (see below), whose sum is σ = 586933315584. Its totient is φ = 425862360000.

The previous prime is 500561051041. The next prime is 500561051113. The reversal of 500561051111 is 111150165005.

It is not a de Polignac number, because 500561051111 - 2¹⁸ = 500560788967 is a prime.

It is a super-2 number, since 2×500561051111² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (500561051113) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16275230 + ... + 16305956.

It is an arithmetic number, because the mean of its divisors is an integer number (12227777408).

Almost surely, 2^500561051111 is an apocalyptic number.

500561051111 is a deficient number, since it is larger than the sum of its proper divisors (86372264473).

500561051111 is a wasteful number, since it uses less digits than its factorization.

500561051111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30924 (or 30913 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 26.

The spelling of 500561051111 in words is "five hundred billion, five hundred sixty-one million, fifty-one thousand, one hundred eleven".