18154934711 has 2 divisors, whose sum is σ = 18154934712. Its totient is φ = 18154934710.

The previous prime is 18154934653. The next prime is 18154934719. The reversal of 18154934711 is 11743945181.

It is a strong prime.

It is an emirp because it is prime and its reverse (11743945181) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 18154934711 - 2⁶ = 18154934647 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18154934719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9077467355 + 9077467356.

It is an arithmetic number, because the mean of its divisors is an integer number (9077467356).

Almost surely, 2^18154934711 is an apocalyptic number.

18154934711 is a deficient number, since it is larger than the sum of its proper divisors (1).

18154934711 is an equidigital number, since it uses as much as digits as its factorization.

18154934711 is an evil number, because the sum of its binary digits is even.

The product of its digits is 120960, while the sum is 44.

The spelling of 18154934711 in words is "eighteen billion, one hundred fifty-four million, nine hundred thirty-four thousand, seven hundred eleven".