111840093 has 24 divisors (see below), whose sum is σ = 173130048. Its totient is φ = 69320832.

The previous prime is 111840089. The next prime is 111840097. The reversal of 111840093 is 390048111.

It is an interprime number because it is at equal distance from previous prime (111840089) and next prime (111840097).

It is not a de Polignac number, because 111840093 - 2² = 111840089 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111840097) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8296 + ... + 17102.

It is an arithmetic number, because the mean of its divisors is an integer number (7213752).

Almost surely, 2^111840093 is an apocalyptic number.

It is an amenable number.

111840093 is a deficient number, since it is larger than the sum of its proper divisors (61289955).

111840093 is a wasteful number, since it uses less digits than its factorization.

111840093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8913 (or 8910 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 111840093 is about 10575.4476500997. The cubic root of 111840093 is about 481.7989396320.

The spelling of 111840093 in words is "one hundred eleven million, eight hundred forty thousand, ninety-three".