11773366784 has 20 divisors (see below), whose sum is σ = 23523739734. Its totient is φ = 5886683136.

The previous prime is 11773366783. The next prime is 11773366823. The reversal of 11773366784 is 48766337711.

It is a happy number.

11773366784 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 8956729600 + 2816637184 = 94640^2 + 53072^2 .

It is a super-2 number, since 2×11773366784² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11773366783) 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 as a sum of consecutive naturals, namely, 11496917 + ... + 11497940.

Almost surely, 2^11773366784 is an apocalyptic number.

It is an amenable number.

11773366784 is a deficient number, since it is larger than the sum of its proper divisors (11750372950).

11773366784 is an frugal number, since it uses more digits than its factorization.

11773366784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22994875 (or 22994859 counting only the distinct ones).

The product of its digits is 3556224, while the sum is 53.

The spelling of 11773366784 in words is "eleven billion, seven hundred seventy-three million, three hundred sixty-six thousand, seven hundred eighty-four".