111113616 has 40 divisors (see below), whose sum is σ = 296945280. Its totient is φ = 35760256.

The previous prime is 111113543. The next prime is 111113623. The reversal of 111113616 is 616311111.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 111113592 and 111113601.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38520 + ... + 41303.

It is an arithmetic number, because the mean of its divisors is an integer number (7423632).

Almost surely, 2^111113616 is an apocalyptic number.

111113616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

111113616 is an abundant number, since it is smaller than the sum of its proper divisors (185831664).

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

111113616 is a wasteful number, since it uses less digits than its factorization.

111113616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79863 (or 79857 counting only the distinct ones).

The product of its digits is 108, while the sum is 21.

The square root of 111113616 is about 10541.0443505376. The cubic root of 111113616 is about 480.7534694169.

Adding to 111113616 its reverse (616311111), we get a palindrome (727424727).

The spelling of 111113616 in words is "one hundred eleven million, one hundred thirteen thousand, six hundred sixteen".