111564117996 has 192 divisors, whose sum is σ = 290570649600. Its totient is φ = 33170860800.

The previous prime is 111564117967. The next prime is 111564118013. The reversal of 111564117996 is 699711465111.

It is a happy number.

It is a super-2 number, since 2×111564117996² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 100598290 + ... + 100599398.

It is an arithmetic number, because the mean of its divisors is an integer number (1513388800).

Almost surely, 2^111564117996 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111564117996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145285324800).

111564117996 is an abundant number, since it is smaller than the sum of its proper divisors (179006531604).

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

111564117996 is a wasteful number, since it uses less digits than its factorization.

111564117996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1540 (or 1538 counting only the distinct ones).

The product of its digits is 408240, while the sum is 51.

The spelling of 111564117996 in words is "one hundred eleven billion, five hundred sixty-four million, one hundred seventeen thousand, nine hundred ninety-six".