11189211200 has 42 divisors (see below), whose sum is σ = 27532456746. Its totient is φ = 4475683840.

The previous prime is 11189211197. The next prime is 11189211233. The reversal of 11189211200 is 211298111.

It can be written as a sum of positive squares in 3 ways, for example, as 31091776 + 11158119424 = 5576^2 + 105632^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11189211200.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3495029 + ... + 3498228.

Almost surely, 2^11189211200 is an apocalyptic number.

11189211200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11189211200 is an abundant number, since it is smaller than the sum of its proper divisors (16343245546).

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

11189211200 is an equidigital number, since it uses as much as digits as its factorization.

11189211200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6993279 (or 6993264 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 26.

The spelling of 11189211200 in words is "eleven billion, one hundred eighty-nine million, two hundred eleven thousand, two hundred".