11333421800 has 144 divisors (see below), whose sum is σ = 27237826980. Its totient is φ = 4384972800.

The previous prime is 11333421793. The next prime is 11333421809. The reversal of 11333421800 is 812433311.

It can be written as a sum of positive squares in 18 ways, for example, as 6711869476 + 4621552324 = 81926^2 + 67982^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11333421800.

It is not an unprimeable number, because it can be changed into a prime (11333421809) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 72187322 + ... + 72187478.

Almost surely, 2^11333421800 is an apocalyptic number.

11333421800 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 11333421800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13618913490).

11333421800 is an abundant number, since it is smaller than the sum of its proper divisors (15904405180).

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

11333421800 is a wasteful number, since it uses less digits than its factorization.

11333421800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392 (or 322 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The spelling of 11333421800 in words is "eleven billion, three hundred thirty-three million, four hundred twenty-one thousand, eight hundred".