111053103 has 16 divisors (see below), whose sum is σ = 171751680. Its totient is φ = 62510976.

The previous prime is 111053083. The next prime is 111053113. The reversal of 111053103 is 301350111.

It is not a de Polignac number, because 111053103 - 2²⁰ = 110004527 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111053113) 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, 38058 + ... + 40871.

It is an arithmetic number, because the mean of its divisors is an integer number (10734480).

Almost surely, 2^111053103 is an apocalyptic number.

111053103 is a deficient number, since it is larger than the sum of its proper divisors (60698577).

111053103 is an equidigital number, since it uses as much as digits as its factorization.

111053103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79006.

The product of its (nonzero) digits is 45, while the sum is 15.

The square root of 111053103 is about 10538.1736083631. The cubic root of 111053103 is about 480.6661800323. Note that the first 3 decimals are identical.

It can be divided in two parts, 111053 and 103, that added together give a triangular number (111156 = T₄₇₁).

The spelling of 111053103 in words is "one hundred eleven million, fifty-three thousand, one hundred three".