27115116971 has 2 divisors, whose sum is σ = 27115116972. Its totient is φ = 27115116970.

The previous prime is 27115116953. The next prime is 27115117027. The reversal of 27115116971 is 17961151172.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27115116971 - 2¹⁰ = 27115115947 is a prime.

It is not a weakly prime, because it can be changed into another prime (27115116911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13557558485 + 13557558486.

It is an arithmetic number, because the mean of its divisors is an integer number (13557558486).

Almost surely, 2^27115116971 is an apocalyptic number.

27115116971 is a deficient number, since it is larger than the sum of its proper divisors (1).

27115116971 is an equidigital number, since it uses as much as digits as its factorization.

27115116971 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 26460, while the sum is 41.

The spelling of 27115116971 in words is "twenty-seven billion, one hundred fifteen million, one hundred sixteen thousand, nine hundred seventy-one".