11663288129 has 2 divisors, whose sum is σ = 11663288130. Its totient is φ = 11663288128.

The previous prime is 11663288123. The next prime is 11663288171. The reversal of 11663288129 is 92188236611.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7599480625 + 4063807504 = 87175^2 + 63748^2 .

It is an emirp because it is prime and its reverse (92188236611) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11663288129 - 2⁴ = 11663288113 is a prime.

It is not a weakly prime, because it can be changed into another prime (11663288123) 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, 5831644064 + 5831644065.

It is an arithmetic number, because the mean of its divisors is an integer number (5831644065).

Almost surely, 2^11663288129 is an apocalyptic number.

It is an amenable number.

11663288129 is a deficient number, since it is larger than the sum of its proper divisors (1).

11663288129 is an equidigital number, since it uses as much as digits as its factorization.

11663288129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 248832, while the sum is 47.

The spelling of 11663288129 in words is "eleven billion, six hundred sixty-three million, two hundred eighty-eight thousand, one hundred twenty-nine".