18062111 has 2 divisors, whose sum is σ = 18062112. Its totient is φ = 18062110.

The previous prime is 18062101. The next prime is 18062113. The reversal of 18062111 is 11126081.

It is a strong prime.

It is an emirp because it is prime and its reverse (11126081) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 18062111 - 2⁶ = 18062047 is a prime.

Together with 18062113, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18062113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9031055 + 9031056.

It is an arithmetic number, because the mean of its divisors is an integer number (9031056).

Almost surely, 2^18062111 is an apocalyptic number.

18062111 is a deficient number, since it is larger than the sum of its proper divisors (1).

18062111 is an equidigital number, since it uses as much as digits as its factorization.

18062111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 20.

The square root of 18062111 is about 4249.9542350477. The cubic root of 18062111 is about 262.3752320140.

Adding to 18062111 its reverse (11126081), we get a palindrome (29188192).

The spelling of 18062111 in words is "eighteen million, sixty-two thousand, one hundred eleven".