111164403 has 16 divisors (see below), whose sum is σ = 170634240. Its totient is φ = 63057216.

The previous prime is 111164401. The next prime is 111164429. The reversal of 111164403 is 304461111.

It is not a de Polignac number, because 111164403 - 2¹ = 111164401 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 111164403.

It is not an unprimeable number, because it can be changed into a prime (111164401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16443 + ... + 22196.

It is an arithmetic number, because the mean of its divisors is an integer number (10664640).

Almost surely, 2^111164403 is an apocalyptic number.

111164403 is a deficient number, since it is larger than the sum of its proper divisors (59469837).

111164403 is a wasteful number, since it uses less digits than its factorization.

111164403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38786.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 111164403 is about 10543.4530871058. The cubic root of 111164403 is about 480.8267046882.

The spelling of 111164403 in words is "one hundred eleven million, one hundred sixty-four thousand, four hundred three".