18064511 has 2 divisors, whose sum is σ = 18064512. Its totient is φ = 18064510.

The previous prime is 18064481. The next prime is 18064513. The reversal of 18064511 is 11546081.

It is a strong prime.

It is an emirp because it is prime and its reverse (11546081) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 18064511 - 2⁶ = 18064447 is a prime.

Together with 18064513, 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 (18064513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9032255 + 9032256.

It is an arithmetic number, because the mean of its divisors is an integer number (9032256).

Almost surely, 2^18064511 is an apocalyptic number.

18064511 is a deficient number, since it is larger than the sum of its proper divisors (1).

18064511 is an equidigital number, since it uses as much as digits as its factorization.

18064511 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 960, while the sum is 26.

The square root of 18064511 is about 4250.2365816505. The cubic root of 18064511 is about 262.3868525211.

The spelling of 18064511 in words is "eighteen million, sixty-four thousand, five hundred eleven".