111941568 has 56 divisors (see below), whose sum is σ = 329092560. Its totient is φ = 37313280.

The previous prime is 111941567. The next prime is 111941569. The reversal of 111941568 is 865149111.

It is a happy number.

111941568 is a `hidden beast` number, since 1 + 1 + 1 + 94 + 1 + 568 = 666.

It is an interprime number because it is at equal distance from previous prime (111941567) and next prime (111941569).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111941563) 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, 30663 + ... + 34118.

Almost surely, 2^111941568 is an apocalyptic number.

111941568 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

111941568 is an abundant number, since it is smaller than the sum of its proper divisors (217150992).

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

111941568 is an equidigital number, since it uses as much as digits as its factorization.

111941568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64802 (or 64786 counting only the distinct ones).

The product of its digits is 8640, while the sum is 36.

The square root of 111941568 is about 10580.2442315856. The cubic root of 111941568 is about 481.9446112096.

The spelling of 111941568 in words is "one hundred eleven million, nine hundred forty-one thousand, five hundred sixty-eight".