111642496 has 32 divisors (see below), whose sum is σ = 254188080. Its totient is φ = 47846400.

The previous prime is 111642493. The next prime is 111642511. The reversal of 111642496 is 694246111.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×111642496² = 24928093826220032, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111642493) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61405 + ... + 63196.

Almost surely, 2^111642496 is an apocalyptic number.

111642496 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

111642496 is an abundant number, since it is smaller than the sum of its proper divisors (142545584).

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

111642496 is an equidigital number, since it uses as much as digits as its factorization.

111642496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124622 (or 124610 counting only the distinct ones).

The product of its digits is 10368, while the sum is 34.

The square root of 111642496 is about 10566.1012677335. The cubic root of 111642496 is about 481.5150278890.

The spelling of 111642496 in words is "one hundred eleven million, six hundred forty-two thousand, four hundred ninety-six".