111143104 has 28 divisors (see below), whose sum is σ = 221339664. Its totient is φ = 55372544.

The previous prime is 111143099. The next prime is 111143113. The reversal of 111143104 is 401341111.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15789 + ... + 21715.

It is an arithmetic number, because the mean of its divisors is an integer number (7904988).

Almost surely, 2^111143104 is an apocalyptic number.

It is an amenable number.

111143104 is a deficient number, since it is larger than the sum of its proper divisors (110196560).

111143104 is an equidigital number, since it uses as much as digits as its factorization.

111143104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6232 (or 6222 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 111143104 is about 10542.4429806378. The cubic root of 111143104 is about 480.7959940715.

Adding to 111143104 its reverse (401341111), we get a palindrome (512484215).

The spelling of 111143104 in words is "one hundred eleven million, one hundred forty-three thousand, one hundred four".