11789078666 has 16 divisors (see below), whose sum is σ = 18566439840. Its totient is φ = 5606333040.

The previous prime is 11789078627. The next prime is 11789078681. The reversal of 11789078666 is 66687098711.

11789078666 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 7 ways as a sum of consecutive naturals, for example, 1512980 + ... + 1520751.

It is an arithmetic number, because the mean of its divisors is an integer number (1160402490).

Almost surely, 2^11789078666 is an apocalyptic number.

11789078666 is a deficient number, since it is larger than the sum of its proper divisors (6777361174).

11789078666 is a wasteful number, since it uses less digits than its factorization.

11789078666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3033829.

The product of its (nonzero) digits is 6096384, while the sum is 59.

The spelling of 11789078666 in words is "eleven billion, seven hundred eighty-nine million, seventy-eight thousand, six hundred sixty-six".