111147093 has 16 divisors (see below), whose sum is σ = 173329600. Its totient is φ = 70197840.

The previous prime is 111147061. The next prime is 111147097. The reversal of 111147093 is 390741111.

It is not a de Polignac number, because 111147093 - 2⁵ = 111147061 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111147097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107818 + ... + 108843.

It is an arithmetic number, because the mean of its divisors is an integer number (10833100).

Almost surely, 2^111147093 is an apocalyptic number.

It is an amenable number.

111147093 is a deficient number, since it is larger than the sum of its proper divisors (62182507).

111147093 is a wasteful number, since it uses less digits than its factorization.

111147093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216689 (or 216683 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 27.

The square root of 111147093 is about 10542.6321665891. The cubic root of 111147093 is about 480.8017460321.

The spelling of 111147093 in words is "one hundred eleven million, one hundred forty-seven thousand, ninety-three".