111113040 has 80 divisors (see below), whose sum is σ = 346102848. Its totient is φ = 29488128.

The previous prime is 111113017. The next prime is 111113053. The reversal of 111113040 is 40311111.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×111113040² = 24692215316083200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54927 + ... + 56913.

Almost surely, 2^111113040 is an apocalyptic number.

111113040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111113040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173051424).

111113040 is an abundant number, since it is smaller than the sum of its proper divisors (234989808).

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

111113040 is a wasteful number, since it uses less digits than its factorization.

111113040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2236 (or 2230 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 12.

The square root of 111113040 is about 10541.0170287311. The cubic root of 111113040 is about 480.7526386922.

Adding to 111113040 its reverse (40311111), we get a palindrome (151424151).

The spelling of 111113040 in words is "one hundred eleven million, one hundred thirteen thousand, forty".