11331321300 has 432 divisors, whose sum is σ = 39703792128. Its totient is φ = 2685312000.

The previous prime is 11331321203. The next prime is 11331321301. The reversal of 11331321300 is 312313311.

It is a happy number.

11331321300 is a `hidden beast` number, since 1 + 1 + 331 + 32 + 1 + 300 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11331321301) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 50812989 + ... + 50813211.

Almost surely, 2^11331321300 is an apocalyptic number.

11331321300 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 11331321300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19851896064).

11331321300 is an abundant number, since it is smaller than the sum of its proper divisors (28372470828).

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

11331321300 is a wasteful number, since it uses less digits than its factorization.

11331321300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400 (or 390 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 11331321300 its reverse (312313311), we get a palindrome (11643634611).

The spelling of 11331321300 in words is "eleven billion, three hundred thirty-one million, three hundred twenty-one thousand, three hundred".