11657332171 has 2 divisors, whose sum is σ = 11657332172. Its totient is φ = 11657332170.

The previous prime is 11657332151. The next prime is 11657332187. The reversal of 11657332171 is 17123375611.

It is a strong prime.

It is an emirp because it is prime and its reverse (17123375611) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11657332171 - 2⁹ = 11657331659 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11657332171.

It is not a weakly prime, because it can be changed into another prime (11657332151) 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, 5828666085 + 5828666086.

It is an arithmetic number, because the mean of its divisors is an integer number (5828666086).

Almost surely, 2^11657332171 is an apocalyptic number.

11657332171 is a deficient number, since it is larger than the sum of its proper divisors (1).

11657332171 is an equidigital number, since it uses as much as digits as its factorization.

11657332171 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 26460, while the sum is 37.

The spelling of 11657332171 in words is "eleven billion, six hundred fifty-seven million, three hundred thirty-two thousand, one hundred seventy-one".