27157352171 has 2 divisors, whose sum is σ = 27157352172. Its totient is φ = 27157352170.

The previous prime is 27157352153. The next prime is 27157352203. The reversal of 27157352171 is 17125375172.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27157352171 - 2¹⁴ = 27157335787 is a prime.

It is not a weakly prime, because it can be changed into another prime (27157352671) 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, 13578676085 + 13578676086.

It is an arithmetic number, because the mean of its divisors is an integer number (13578676086).

Almost surely, 2^27157352171 is an apocalyptic number.

27157352171 is a deficient number, since it is larger than the sum of its proper divisors (1).

27157352171 is an equidigital number, since it uses as much as digits as its factorization.

27157352171 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 102900, while the sum is 41.

The spelling of 27157352171 in words is "twenty-seven billion, one hundred fifty-seven million, three hundred fifty-two thousand, one hundred seventy-one".