271517656117 has 2 divisors, whose sum is σ = 271517656118. Its totient is φ = 271517656116.

The previous prime is 271517656103. The next prime is 271517656133. The reversal of 271517656117 is 711656715172.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 271106621041 + 411035076 = 520679^2 + 20274^2 .

It is a cyclic number.

It is not a de Polignac number, because 271517656117 - 2⁷ = 271517655989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (271517656217) 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, 135758828058 + 135758828059.

It is an arithmetic number, because the mean of its divisors is an integer number (135758828059).

Almost surely, 2^271517656117 is an apocalyptic number.

It is an amenable number.

271517656117 is a deficient number, since it is larger than the sum of its proper divisors (1).

271517656117 is an equidigital number, since it uses as much as digits as its factorization.

271517656117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 617400, while the sum is 49.

The spelling of 271517656117 in words is "two hundred seventy-one billion, five hundred seventeen million, six hundred fifty-six thousand, one hundred seventeen".