11667908171 has 2 divisors, whose sum is σ = 11667908172. Its totient is φ = 11667908170.

The previous prime is 11667908159. The next prime is 11667908179. The reversal of 11667908171 is 17180976611.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11667908171 - 2⁶ = 11667908107 is a prime.

It is a super-2 number, since 2×11667908171² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11667908179) 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, 5833954085 + 5833954086.

It is an arithmetic number, because the mean of its divisors is an integer number (5833954086).

Almost surely, 2^11667908171 is an apocalyptic number.

11667908171 is a deficient number, since it is larger than the sum of its proper divisors (1).

11667908171 is an equidigital number, since it uses as much as digits as its factorization.

11667908171 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 127008, while the sum is 47.

The spelling of 11667908171 in words is "eleven billion, six hundred sixty-seven million, nine hundred eight thousand, one hundred seventy-one".