11723757766 has 16 divisors (see below), whose sum is σ = 20641057056. Its totient is φ = 4888670976.

The previous prime is 11723757757. The next prime is 11723757769. The reversal of 11723757766 is 66775732711.

11723757766 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11723757769) 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 7 ways as a sum of consecutive naturals, for example, 11315851 + ... + 11316886.

It is an arithmetic number, because the mean of its divisors is an integer number (1290066066).

Almost surely, 2^11723757766 is an apocalyptic number.

11723757766 is a deficient number, since it is larger than the sum of its proper divisors (8917299290).

11723757766 is a wasteful number, since it uses less digits than its factorization.

11723757766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22632783.

The product of its digits is 2593080, while the sum is 52.

The spelling of 11723757766 in words is "eleven billion, seven hundred twenty-three million, seven hundred fifty-seven thousand, seven hundred sixty-six".