18114111 has 20 divisors (see below), whose sum is σ = 27256944. Its totient is φ = 11988000.

The previous prime is 18114101. The next prime is 18114149. The reversal of 18114111 is 11141181.

It is a happy number.

It is not a de Polignac number, because 18114111 - 2⁷ = 18113983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18114101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 11491 + ... + 12971.

Almost surely, 2^18114111 is an apocalyptic number.

18114111 is a deficient number, since it is larger than the sum of its proper divisors (9142833).

18114111 is a wasteful number, since it uses less digits than its factorization.

18114111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1644 (or 1635 counting only the distinct ones).

The product of its digits is 32, while the sum is 18.

The square root of 18114111 is about 4256.0675511556. The cubic root of 18114111 is about 262.6267795758.

Adding to 18114111 its reverse (11141181), we get a palindrome (29255292).

It can be divided in two parts, 18114 and 111, that added together give a square (18225 = 135²).

The spelling of 18114111 in words is "eighteen million, one hundred fourteen thousand, one hundred eleven".