11453443320000 has 560 divisors, whose sum is σ = 43740381497472. Its totient is φ = 2613258240000.

The previous prime is 11453443319951. The next prime is 11453443320047. The reversal of 11453443320000 is 2334435411.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a self number, because there is not a number n which added to its sum of digits gives 11453443320000.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 22184799 + ... + 22695201.

Almost surely, 2^{11453443320000} is an apocalyptic number.

11453443320000 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 11453443320000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21870190748736).

11453443320000 is an abundant number, since it is smaller than the sum of its proper divisors (32286938177472).

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

11453443320000 is a wasteful number, since it uses less digits than its factorization.

11453443320000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510466 (or 510441 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 11453443320000 its reverse (2334435411), we get a palindrome (11455777755411).

The spelling of 11453443320000 in words is "eleven trillion, four hundred fifty-three billion, four hundred forty-three million, three hundred twenty thousand".