18014111 has 2 divisors, whose sum is σ = 18014112. Its totient is φ = 18014110.

The previous prime is 18014107. The next prime is 18014167. The reversal of 18014111 is 11141081.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 18014111 - 2² = 18014107 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 18014111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18013111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9007055 + 9007056.

It is an arithmetic number, because the mean of its divisors is an integer number (9007056).

Almost surely, 2^18014111 is an apocalyptic number.

18014111 is a deficient number, since it is larger than the sum of its proper divisors (1).

18014111 is an equidigital number, since it uses as much as digits as its factorization.

18014111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 17.

The square root of 18014111 is about 4244.3033586208. The cubic root of 18014111 is about 262.1426053880.

Adding to 18014111 its reverse (11141081), we get a palindrome (29155192).

The spelling of 18014111 in words is "eighteen million, fourteen thousand, one hundred eleven".