18382738182911 has 2 divisors, whose sum is σ = 18382738182912. Its totient is φ = 18382738182910.

The previous prime is 18382738182881. The next prime is 18382738182923. The reversal of 18382738182911 is 11928183728381.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 18382738182911 - 2²² = 18382733988607 is a prime.

It is a super-3 number, since 3×18382738182911³ (a number of 41 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18382738182511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9191369091455 + 9191369091456.

It is an arithmetic number, because the mean of its divisors is an integer number (9191369091456).

Almost surely, 2^{18382738182911} is an apocalyptic number.

18382738182911 is a deficient number, since it is larger than the sum of its proper divisors (1).

18382738182911 is an equidigital number, since it uses as much as digits as its factorization.

18382738182911 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9289728, while the sum is 62.

The spelling of 18382738182911 in words is "eighteen trillion, three hundred eighty-two billion, seven hundred thirty-eight million, one hundred eighty-two thousand, nine hundred eleven".