11663114191 has 2 divisors, whose sum is σ = 11663114192. Its totient is φ = 11663114190.

The previous prime is 11663114189. The next prime is 11663114251. The reversal of 11663114191 is 19141136611.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11663114191 - 2¹ = 11663114189 is a prime.

Together with 11663114189, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11663114791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5831557095 + 5831557096.

It is an arithmetic number, because the mean of its divisors is an integer number (5831557096).

Almost surely, 2^11663114191 is an apocalyptic number.

11663114191 is a deficient number, since it is larger than the sum of its proper divisors (1).

11663114191 is an equidigital number, since it uses as much as digits as its factorization.

11663114191 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3888, while the sum is 34.

The spelling of 11663114191 in words is "eleven billion, six hundred sixty-three million, one hundred fourteen thousand, one hundred ninety-one".