11787644304 has 30 divisors (see below), whose sum is σ = 32989032726. Its totient is φ = 3929214720.

The previous prime is 11787644303. The next prime is 11787644317. The reversal of 11787644304 is 40344678711.

11787644304 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., 11480693904 + 306950400 = 107148^2 + 17520^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11787644304.

It is not an unprimeable number, because it can be changed into a prime (11787644303) 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 5 ways as a sum of consecutive naturals, for example, 40929177 + ... + 40929464.

Almost surely, 2^11787644304 is an apocalyptic number.

It is an amenable number.

11787644304 is an abundant number, since it is smaller than the sum of its proper divisors (21201388422).

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

11787644304 is a wasteful number, since it uses less digits than its factorization.

11787644304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81858655 (or 81858646 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 45.

The spelling of 11787644304 in words is "eleven billion, seven hundred eighty-seven million, six hundred forty-four thousand, three hundred four".