11553055443200 has 216 divisors, whose sum is σ = 29872148768448. Its totient is φ = 4415374909440.

The previous prime is 11553055443197. The next prime is 11553055443263. The reversal of 11553055443200 is 234455035511.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 133467134 + ... + 133553666.

Almost surely, 2^{11553055443200} is an apocalyptic number.

11553055443200 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 11553055443200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14936074384224).

11553055443200 is an abundant number, since it is smaller than the sum of its proper divisors (18319093325248).

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

11553055443200 is an equidigital number, since it uses as much as digits as its factorization.

11553055443200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87489 (or 87470 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 38.

The spelling of 11553055443200 in words is "eleven trillion, five hundred fifty-three billion, fifty-five million, four hundred forty-three thousand, two hundred".