500001111056 has 10 divisors (see below), whose sum is σ = 968752152702. Its totient is φ = 250000555520.

The previous prime is 500001111023. The next prime is 500001111083. The reversal of 500001111056 is 650111100005.

It can be written as a sum of positive squares in only one way, i.e., 476320825600 + 23680285456 = 690160^2 + 153884^2 .

It is a super-2 number, since 2×500001111056² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15625034705 + ... + 15625034736.

Almost surely, 2^500001111056 is an apocalyptic number.

It is an amenable number.

500001111056 is a deficient number, since it is larger than the sum of its proper divisors (468751041646).

500001111056 is a wasteful number, since it uses less digits than its factorization.

500001111056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31250069449 (or 31250069443 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 20.

The spelling of 500001111056 in words is "five hundred billion, one million, one hundred eleven thousand, fifty-six".