500025111564 has 48 divisors (see below), whose sum is σ = 1273062381696. Its totient is φ = 151490476800.

The previous prime is 500025111463. The next prime is 500025111571. The reversal of 500025111564 is 465111520005.

It is a super-2 number, since 2×500025111564² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 221979 + ... + 1024365.

It is an arithmetic number, because the mean of its divisors is an integer number (26522132952).

Almost surely, 2^500025111564 is an apocalyptic number.

It is an amenable number.

500025111564 is an abundant number, since it is smaller than the sum of its proper divisors (773037270132).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

500025111564 is a wasteful number, since it uses less digits than its factorization.

500025111564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 807126 (or 807124 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 30.

Adding to 500025111564 its reverse (465111520005), we get a palindrome (965136631569).

The spelling of 500025111564 in words is "five hundred billion, twenty-five million, one hundred eleven thousand, five hundred sixty-four".