11663288171 has 2 divisors, whose sum is σ = 11663288172. Its totient is φ = 11663288170.

The previous prime is 11663288129. The next prime is 11663288227. The reversal of 11663288171 is 17188236611.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11663288171 - 2¹⁸ = 11663026027 is a prime.

It is not a weakly prime, because it can be changed into another prime (11663288071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5831644085 + 5831644086.

It is an arithmetic number, because the mean of its divisors is an integer number (5831644086).

Almost surely, 2^11663288171 is an apocalyptic number.

11663288171 is a deficient number, since it is larger than the sum of its proper divisors (1).

11663288171 is an equidigital number, since it uses as much as digits as its factorization.

11663288171 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96768, while the sum is 44.

The spelling of 11663288171 in words is "eleven billion, six hundred sixty-three million, two hundred eighty-eight thousand, one hundred seventy-one".