111113568 has 36 divisors (see below), whose sum is σ = 315980028. Its totient is φ = 37037760.

The previous prime is 111113543. The next prime is 111113623. The reversal of 111113568 is 865311111.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a plaindrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 192618 + ... + 193193.

It is an arithmetic number, because the mean of its divisors is an integer number (8777223).

Almost surely, 2^111113568 is an apocalyptic number.

111113568 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

111113568 is an abundant number, since it is smaller than the sum of its proper divisors (204866460).

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

111113568 is a wasteful number, since it uses less digits than its factorization.

111113568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385827 (or 385816 counting only the distinct ones).

The product of its digits is 720, while the sum is 27.

The square root of 111113568 is about 10541.0420737231. The cubic root of 111113568 is about 480.7534001900.

Adding to 111113568 its reverse (865311111), we get a palindrome (976424679).

The spelling of 111113568 in words is "one hundred eleven million, one hundred thirteen thousand, five hundred sixty-eight".