111813093 has 24 divisors (see below), whose sum is σ = 188068608. Its totient is φ = 62685792.

The previous prime is 111813089. The next prime is 111813101. The reversal of 111813093 is 390318111.

It is a happy number.

It is not a de Polignac number, because 111813093 - 2² = 111813089 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111813193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13405 + ... + 20082.

It is an arithmetic number, because the mean of its divisors is an integer number (7836192).

Almost surely, 2^111813093 is an apocalyptic number.

It is an amenable number.

111813093 is a deficient number, since it is larger than the sum of its proper divisors (76255515).

111813093 is a wasteful number, since it uses less digits than its factorization.

111813093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33553 (or 33550 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 27.

The square root of 111813093 is about 10574.1710313386. The cubic root of 111813093 is about 481.7601651699.

The spelling of 111813093 in words is "one hundred eleven million, eight hundred thirteen thousand, ninety-three".