11894136772 has 24 divisors (see below), whose sum is σ = 24431201984. Its totient is φ = 4959716832.

The previous prime is 11894136769. The next prime is 11894136811. The reversal of 11894136772 is 27763149811.

11894136772 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 5739378 + ... + 5741449.

Almost surely, 2^11894136772 is an apocalyptic number.

It is an amenable number.

11894136772 is an abundant number, since it is smaller than the sum of its proper divisors (12537065212).

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

11894136772 is a wasteful number, since it uses less digits than its factorization.

11894136772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11480875 (or 11480873 counting only the distinct ones).

The product of its digits is 508032, while the sum is 49.

The spelling of 11894136772 in words is "eleven billion, eight hundred ninety-four million, one hundred thirty-six thousand, seven hundred seventy-two".