11321323200000 has 720 divisors, whose sum is σ = 44553369933072. Its totient is φ = 2744524800000.

The previous prime is 11321323199993. The next prime is 11321323200013. The reversal of 11321323200000 is 232312311.

11321323200000 is a `hidden beast` number, since 1 + 1 + 321 + 323 + 20 + 0 + 0 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (720).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 158364264 + ... + 158435736.

Almost surely, 2^{11321323200000} is an apocalyptic number.

11321323200000 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 11321323200000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22276684966536).

11321323200000 is an abundant number, since it is smaller than the sum of its proper divisors (33232046733072).

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

11321323200000 is an frugal number, since it uses more digits than its factorization.

11321323200000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71533 (or 71494 counting only the distinct ones).

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

Adding to 11321323200000 its reverse (232312311), we get a palindrome (11321555512311).

The spelling of 11321323200000 in words is "eleven trillion, three hundred twenty-one billion, three hundred twenty-three million, two hundred thousand".