111562164456 has 32 divisors (see below), whose sum is σ = 281034468000. Its totient is φ = 36903513920.

The previous prime is 111562164451. The next prime is 111562164521. The reversal of 111562164456 is 654461265111.

It is a super-2 number, since 2×111562164456² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (111562164451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17738931 + ... + 17745218.

It is an arithmetic number, because the mean of its divisors is an integer number (8782327125).

Almost surely, 2^111562164456 is an apocalyptic number.

It is an amenable number.

111562164456 is an abundant number, since it is smaller than the sum of its proper divisors (169472303544).

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

111562164456 is a wasteful number, since it uses less digits than its factorization.

111562164456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35484289 (or 35484285 counting only the distinct ones).

The product of its digits is 172800, while the sum is 42.

The spelling of 111562164456 in words is "one hundred eleven billion, five hundred sixty-two million, one hundred sixty-four thousand, four hundred fifty-six".