111473899 has 4 divisors (see below), whose sum is σ = 111495040. Its totient is φ = 111452760.

The previous prime is 111473891. The next prime is 111473917. The reversal of 111473899 is 998374111.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 111473899 - 2³ = 111473891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111473891) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4534 + ... + 15604.

It is an arithmetic number, because the mean of its divisors is an integer number (27873760).

Almost surely, 2^111473899 is an apocalyptic number.

111473899 is a deficient number, since it is larger than the sum of its proper divisors (21141).

111473899 is a wasteful number, since it uses less digits than its factorization.

111473899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21140.

The product of its digits is 54432, while the sum is 43.

The square root of 111473899 is about 10558.1200504635. The cubic root of 111473899 is about 481.2725190115.

The spelling of 111473899 in words is "one hundred eleven million, four hundred seventy-three thousand, eight hundred ninety-nine".