11528330880 has 256 divisors, whose sum is σ = 40690460160. Its totient is φ = 2752696320.

The previous prime is 11528330843. The next prime is 11528330897. The reversal of 11528330880 is 8803382511.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1410967 + ... + 1419113.

It is an arithmetic number, because the mean of its divisors is an integer number (158947110).

Almost surely, 2^11528330880 is an apocalyptic number.

11528330880 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 11528330880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20345230080).

11528330880 is an abundant number, since it is smaller than the sum of its proper divisors (29162129280).

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

11528330880 is a wasteful number, since it uses less digits than its factorization.

11528330880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8247 (or 8235 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 39.

The spelling of 11528330880 in words is "eleven billion, five hundred twenty-eight million, three hundred thirty thousand, eight hundred eighty".