27554418911 has 2 divisors, whose sum is σ = 27554418912. Its totient is φ = 27554418910.

The previous prime is 27554418821. The next prime is 27554418917. The reversal of 27554418911 is 11981445572.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27554418911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27554418917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13777209455 + 13777209456.

It is an arithmetic number, because the mean of its divisors is an integer number (13777209456).

Almost surely, 2^27554418911 is an apocalyptic number.

27554418911 is a deficient number, since it is larger than the sum of its proper divisors (1).

27554418911 is an equidigital number, since it uses as much as digits as its factorization.

27554418911 is an evil number, because the sum of its binary digits is even.

The product of its digits is 403200, while the sum is 47.

The spelling of 27554418911 in words is "twenty-seven billion, five hundred fifty-four million, four hundred eighteen thousand, nine hundred eleven".