11869668920 has 64 divisors (see below), whose sum is σ = 27574041600. Its totient is φ = 4595512320.

The previous prime is 11869668917. The next prime is 11869668947. The reversal of 11869668920 is 2986696811.

It is a happy number.

11869668920 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, 179786 + ... + 236774.

It is an arithmetic number, because the mean of its divisors is an integer number (430844400).

Almost surely, 2^11869668920 is an apocalyptic number.

11869668920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11869668920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13787020800).

11869668920 is an abundant number, since it is smaller than the sum of its proper divisors (15704372680).

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

11869668920 is a wasteful number, since it uses less digits than its factorization.

11869668920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57168 (or 57164 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 56.

The spelling of 11869668920 in words is "eleven billion, eight hundred sixty-nine million, six hundred sixty-eight thousand, nine hundred twenty".