11988033066 has 48 divisors (see below), whose sum is σ = 26353167360. Its totient is φ = 3937883040.

The previous prime is 11988033053. The next prime is 11988033077. The reversal of 11988033066 is 66033088911.

It is a happy number.

11988033066 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 761511 + ... + 777093.

It is an arithmetic number, because the mean of its divisors is an integer number (549024320).

Almost surely, 2^11988033066 is an apocalyptic number.

11988033066 is an abundant number, since it is smaller than the sum of its proper divisors (14365134294).

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

11988033066 is a wasteful number, since it uses less digits than its factorization.

11988033066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16211 (or 16208 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The spelling of 11988033066 in words is "eleven billion, nine hundred eighty-eight million, thirty-three thousand, sixty-six".