18398006111 has 2 divisors, whose sum is σ = 18398006112. Its totient is φ = 18398006110.

The previous prime is 18398006093. The next prime is 18398006129. The reversal of 18398006111 is 11160089381.

It is a balanced prime because it is at equal distance from previous prime (18398006093) and next prime (18398006129).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18398006111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18398000111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9199003055 + 9199003056.

It is an arithmetic number, because the mean of its divisors is an integer number (9199003056).

Almost surely, 2^18398006111 is an apocalyptic number.

18398006111 is a deficient number, since it is larger than the sum of its proper divisors (1).

18398006111 is an equidigital number, since it uses as much as digits as its factorization.

18398006111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 38.

The spelling of 18398006111 in words is "eighteen billion, three hundred ninety-eight million, six thousand, one hundred eleven".