11639765304 has 24 divisors (see below), whose sum is σ = 31524364560. Its totient is φ = 3879921744.

The previous prime is 11639765299. The next prime is 11639765321. The reversal of 11639765304 is 40356793611.

It is a happy number.

11639765304 is a `hidden beast` number, since 1 + 1 + 639 + 7 + 6 + 5 + 3 + 0 + 4 = 666.

11639765304 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (24).

It is a self number, because there is not a number n which added to its sum of digits gives 11639765304.

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 80831632 + ... + 80831775.

It is an arithmetic number, because the mean of its divisors is an integer number (1313515190).

Almost surely, 2^11639765304 is an apocalyptic number.

It is an amenable number.

11639765304 is an abundant number, since it is smaller than the sum of its proper divisors (19884599256).

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

11639765304 is a wasteful number, since it uses less digits than its factorization.

11639765304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161663419 (or 161663412 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 45.

The spelling of 11639765304 in words is "eleven billion, six hundred thirty-nine million, seven hundred sixty-five thousand, three hundred four".