11118103 has 4 divisors (see below), whose sum is σ = 11274768. Its totient is φ = 10961440.

The previous prime is 11118071. The next prime is 11118127. The reversal of 11118103 is 30181111.

11118103 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30181111 = 1693 ⋅17827.

It is a cyclic number.

It is not a de Polignac number, because 11118103 - 2⁵ = 11118071 is a prime.

It is a super-2 number, since 2×11118103² = 247224428637218, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11118143) 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, 78226 + ... + 78367.

It is an arithmetic number, because the mean of its divisors is an integer number (2818692).

Almost surely, 2^11118103 is an apocalyptic number.

11118103 is a deficient number, since it is larger than the sum of its proper divisors (156665).

11118103 is an equidigital number, since it uses as much as digits as its factorization.

11118103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156664.

The product of its (nonzero) digits is 24, while the sum is 16.

The square root of 11118103 is about 3334.3819517266. The cubic root of 11118103 is about 223.1911128877.

Adding to 11118103 its reverse (30181111), we get a palindrome (41299214).

The spelling of 11118103 in words is "eleven million, one hundred eighteen thousand, one hundred three".