111163140 has 144 divisors (see below), whose sum is σ = 383999616. Its totient is φ = 25766400.

The previous prime is 111163111. The next prime is 111163181. The reversal of 111163140 is 41361111.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 44320 + ... + 46760.

It is an arithmetic number, because the mean of its divisors is an integer number (2666664).

Almost surely, 2^111163140 is an apocalyptic number.

111163140 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 111163140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (191999808).

111163140 is an abundant number, since it is smaller than the sum of its proper divisors (272836476).

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

111163140 is a wasteful number, since it uses less digits than its factorization.

111163140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2490 (or 2485 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The square root of 111163140 is about 10543.3931919473. The cubic root of 111163140 is about 480.8248837023.

The spelling of 111163140 in words is "one hundred eleven million, one hundred sixty-three thousand, one hundred forty".