11904128756 has 24 divisors (see below), whose sum is σ = 23754394440. Its totient is φ = 5171023872.

The previous prime is 11904128749. The next prime is 11904128779. The reversal of 11904128756 is 65782140911.

11904128756 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 4 ways, for example, as 2839184656 + 9064944100 = 53284^2 + 95210^2 .

It is a super-2 number, since 2×11904128756² (a number of 21 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 6732221 + ... + 6733988.

It is an arithmetic number, because the mean of its divisors is an integer number (989766435).

Almost surely, 2^11904128756 is an apocalyptic number.

It is an amenable number.

11904128756 is a deficient number, since it is larger than the sum of its proper divisors (11850265684).

11904128756 is a wasteful number, since it uses less digits than its factorization.

11904128756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13466243 (or 13466241 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 44.

The spelling of 11904128756 in words is "eleven billion, nine hundred four million, one hundred twenty-eight thousand, seven hundred fifty-six".