111192993 has 40 divisors (see below), whose sum is σ = 172497600. Its totient is φ = 71334432.

The previous prime is 111192973. The next prime is 111193003. The reversal of 111192993 is 399291111.

It is not a de Polignac number, because 111192993 - 2⁹ = 111192481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111192923) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 253068 + ... + 253506.

It is an arithmetic number, because the mean of its divisors is an integer number (4312440).

Almost surely, 2^111192993 is an apocalyptic number.

It is an amenable number.

111192993 is a deficient number, since it is larger than the sum of its proper divisors (61304607).

111192993 is an equidigital number, since it uses as much as digits as its factorization.

111192993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 563 (or 554 counting only the distinct ones).

The product of its digits is 4374, while the sum is 36.

The square root of 111192993 is about 10544.8088176126. The cubic root of 111192993 is about 480.8679218908.

The spelling of 111192993 in words is "one hundred eleven million, one hundred ninety-two thousand, nine hundred ninety-three".