111813090 has 16 divisors (see below), whose sum is σ = 268351488. Its totient is φ = 29816816.

The previous prime is 111813089. The next prime is 111813101. The reversal of 111813090 is 90318111.

It is a self number, because there is not a number n which added to its sum of digits gives 111813090.

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, 1863522 + ... + 1863581.

It is an arithmetic number, because the mean of its divisors is an integer number (16771968).

Almost surely, 2^111813090 is an apocalyptic number.

111813090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111813090 is an abundant number, since it is smaller than the sum of its proper divisors (156538398).

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

111813090 is a wasteful number, since it uses less digits than its factorization.

111813090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3727113.

The product of its (nonzero) digits is 216, while the sum is 24.

The square root of 111813090 is about 10574.1708894835. The cubic root of 111813090 is about 481.7601608613.

The spelling of 111813090 in words is "one hundred eleven million, eight hundred thirteen thousand, ninety".