11899383808 has 104 divisors (see below), whose sum is σ = 26227319888. Its totient is φ = 5363269632.

The previous prime is 11899383803. The next prime is 11899383817. The reversal of 11899383808 is 80838399811.

It is a tau number, because it is divible by the number of its divisors (104).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11899383803) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2287066 + ... + 2292262.

Almost surely, 2^11899383808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11899383808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13113659944).

11899383808 is an abundant number, since it is smaller than the sum of its proper divisors (14327936080).

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

11899383808 is an equidigital number, since it uses as much as digits as its factorization.

11899383808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5277 (or 5255 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 58.

The spelling of 11899383808 in words is "eleven billion, eight hundred ninety-nine million, three hundred eighty-three thousand, eight hundred eight".