11553803328 has 112 divisors (see below), whose sum is σ = 32384918720. Its totient is φ = 3625150464.

The previous prime is 11553803299. The next prime is 11553803329. The reversal of 11553803328 is 82330835511.

It is not an unprimeable number, because it can be changed into a prime (11553803329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 562650 + ... + 582822.

It is an arithmetic number, because the mean of its divisors is an integer number (289151060).

Almost surely, 2^11553803328 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11553803328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16192459360).

11553803328 is an abundant number, since it is smaller than the sum of its proper divisors (20831115392).

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

11553803328 is a wasteful number, since it uses less digits than its factorization.

11553803328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20364 (or 20354 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 39.

The spelling of 11553803328 in words is "eleven billion, five hundred fifty-three million, eight hundred three thousand, three hundred twenty-eight".