11663111688 has 16 divisors (see below), whose sum is σ = 29157779280. Its totient is φ = 3887703888.

The previous prime is 11663111671. The next prime is 11663111689. The reversal of 11663111688 is 88611136611.

11663111688 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (11663111689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 242981470 + ... + 242981517.

It is an arithmetic number, because the mean of its divisors is an integer number (1822361205).

Almost surely, 2^11663111688 is an apocalyptic number.

It is an amenable number.

11663111688 is an abundant number, since it is smaller than the sum of its proper divisors (17494667592).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11663111688 is a wasteful number, since it uses less digits than its factorization.

11663111688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485962996 (or 485962992 counting only the distinct ones).

The product of its digits is 41472, while the sum is 42.

The spelling of 11663111688 in words is "eleven billion, six hundred sixty-three million, one hundred eleven thousand, six hundred eighty-eight".