18711052127 has 2 divisors, whose sum is σ = 18711052128. Its totient is φ = 18711052126.

The previous prime is 18711052111. The next prime is 18711052133. The reversal of 18711052127 is 72125011781.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 18711052127 - 2⁴ = 18711052111 is a prime.

It is a super-2 number, since 2×18711052127² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18711052177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9355526063 + 9355526064.

It is an arithmetic number, because the mean of its divisors is an integer number (9355526064).

Almost surely, 2^18711052127 is an apocalyptic number.

18711052127 is a deficient number, since it is larger than the sum of its proper divisors (1).

18711052127 is an equidigital number, since it uses as much as digits as its factorization.

18711052127 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7840, while the sum is 35.

The spelling of 18711052127 in words is "eighteen billion, seven hundred eleven million, fifty-two thousand, one hundred twenty-seven".