111053403 has 16 divisors (see below), whose sum is σ = 165619200. Its totient is φ = 73542600.

The previous prime is 111053389. The next prime is 111053413. The reversal of 111053403 is 304350111.

It is not a de Polignac number, because 111053403 - 2⁸ = 111053147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111053413) 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, 9543 + ... + 17696.

It is an arithmetic number, because the mean of its divisors is an integer number (10351200).

Almost surely, 2^111053403 is an apocalyptic number.

111053403 is a deficient number, since it is larger than the sum of its proper divisors (54565797).

111053403 is a wasteful number, since it uses less digits than its factorization.

111053403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27399 (or 27393 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 111053403 is about 10538.1878423190. The cubic root of 111053403 is about 480.6666128575. Note that the first 4 decimals are identical.

The spelling of 111053403 in words is "one hundred eleven million, fifty-three thousand, four hundred three".