11331220320000 has 1080 divisors, whose sum is σ = 46805711752800. Its totient is φ = 2581770240000.

The previous prime is 11331220319929. The next prime is 11331220320023. The reversal of 11331220320000 is 2302213311.

11331220320000 is a `hidden beast` number, since 1 + 13 + 312 + 20 + 320 + 0 + 0 + 0 = 666.

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 119 ways as a sum of consecutive naturals, for example, 3517918390 + ... + 3517921610.

Almost surely, 2^{11331220320000} is an apocalyptic number.

11331220320000 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 11331220320000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23402855876400).

11331220320000 is an abundant number, since it is smaller than the sum of its proper divisors (35474491432800).

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

11331220320000 is an equidigital number, since it uses as much as digits as its factorization.

11331220320000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3619 (or 3587 counting only the distinct ones).

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

Adding to 11331220320000 its reverse (2302213311), we get a palindrome (11333522533311).

The spelling of 11331220320000 in words is "eleven trillion, three hundred thirty-one billion, two hundred twenty million, three hundred twenty thousand".