16118111 has 2 divisors, whose sum is σ = 16118112. Its totient is φ = 16118110.

The previous prime is 16118087. The next prime is 16118119. The reversal of 16118111 is 11181161.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16118111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16118119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8059055 + 8059056.

It is an arithmetic number, because the mean of its divisors is an integer number (8059056).

Almost surely, 2^16118111 is an apocalyptic number.

16118111 is a deficient number, since it is larger than the sum of its proper divisors (1).

16118111 is an equidigital number, since it uses as much as digits as its factorization.

16118111 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48, while the sum is 20.

The square root of 16118111 is about 4014.7367286038. The cubic root of 16118111 is about 252.6027343933.

Adding to 16118111 its reverse (11181161), we get a palindrome (27299272).

The spelling of 16118111 in words is "sixteen million, one hundred eighteen thousand, one hundred eleven".