11663641159999 has 2 divisors, whose sum is σ = 11663641160000. Its totient is φ = 11663641159998.

The previous prime is 11663641159997. The next prime is 11663641160057. The reversal of 11663641159999 is 99995114636611.

It is a weak prime.

It is an emirp because it is prime and its reverse (99995114636611) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11663641159999 - 2¹ = 11663641159997 is a prime.

Together with 11663641159997, 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 (11663641159993) 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, 5831820579999 + 5831820580000.

It is an arithmetic number, because the mean of its divisors is an integer number (5831820580000).

Almost surely, 2^{11663641159999} is an apocalyptic number.

11663641159999 is a deficient number, since it is larger than the sum of its proper divisors (1).

11663641159999 is an equidigital number, since it uses as much as digits as its factorization.

11663641159999 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 85030560, while the sum is 70.

The spelling of 11663641159999 in words is "eleven trillion, six hundred sixty-three billion, six hundred forty-one million, one hundred fifty-nine thousand, nine hundred ninety-nine".