11991708300 has 576 divisors, whose sum is σ = 43005247488. Its totient is φ = 2540160000.

The previous prime is 11991708299. The next prime is 11991708341. The reversal of 11991708300 is 380719911.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 94422837 + ... + 94422963.

It is an arithmetic number, because the mean of its divisors is an integer number (74661888).

Almost surely, 2^11991708300 is an apocalyptic number.

11991708300 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 11991708300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21502623744).

11991708300 is an abundant number, since it is smaller than the sum of its proper divisors (31013539188).

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

11991708300 is a wasteful number, since it uses less digits than its factorization.

11991708300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270 (or 263 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 39.

The spelling of 11991708300 in words is "eleven billion, nine hundred ninety-one million, seven hundred eight thousand, three hundred".