11321323200 has 252 divisors, whose sum is σ = 43897329528. Its totient is φ = 2744524800.

The previous prime is 11321323157. The next prime is 11321323201. The reversal of 11321323200 is 232312311.

11321323200 is a `hidden beast` number, since 1 + 1 + 321 + 323 + 20 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (11321323201) 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, 122664 + ... + 194136.

Almost surely, 2^11321323200 is an apocalyptic number.

11321323200 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 11321323200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21948664764).

11321323200 is an abundant number, since it is smaller than the sum of its proper divisors (32576006328).

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

11321323200 is a wasteful number, since it uses less digits than its factorization.

11321323200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71512 (or 71494 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 11321323200 its reverse (232312311), we get a palindrome (11553635511).

The spelling of 11321323200 in words is "eleven billion, three hundred twenty-one million, three hundred twenty-three thousand, two hundred".