11894117660 has 48 divisors (see below), whose sum is σ = 26456129280. Its totient is φ = 4476226560.

The previous prime is 11894117639. The next prime is 11894117689. The reversal of 11894117660 is 6671149811.

11894117660 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 15 ways as a sum of consecutive naturals, for example, 1573490 + ... + 1581030.

It is an arithmetic number, because the mean of its divisors is an integer number (551169360).

Almost surely, 2^11894117660 is an apocalyptic number.

11894117660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11894117660 is an abundant number, since it is smaller than the sum of its proper divisors (14562011620).

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

11894117660 is a wasteful number, since it uses less digits than its factorization.

11894117660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12206 (or 12204 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 44.

The spelling of 11894117660 in words is "eleven billion, eight hundred ninety-four million, one hundred seventeen thousand, six hundred sixty".