128296613171 has 2 divisors, whose sum is σ = 128296613172. Its totient is φ = 128296613170.

The previous prime is 128296613161. The next prime is 128296613219. The reversal of 128296613171 is 171316692821.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-128296613171 is a prime.

It is a super-2 number, since 2×128296613171² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (128296613101) 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, 64148306585 + 64148306586.

It is an arithmetic number, because the mean of its divisors is an integer number (64148306586).

Almost surely, 2^128296613171 is an apocalyptic number.

128296613171 is a deficient number, since it is larger than the sum of its proper divisors (1).

128296613171 is an equidigital number, since it uses as much as digits as its factorization.

128296613171 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 217728, while the sum is 47.

The spelling of 128296613171 in words is "one hundred twenty-eight billion, two hundred ninety-six million, six hundred thirteen thousand, one hundred seventy-one".