11550125220 has 96 divisors (see below), whose sum is σ = 33927102720. Its totient is φ = 2931909120.

The previous prime is 11550125219. The next prime is 11550125263. The reversal of 11550125220 is 2252105511.

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, 76794 + ... + 170286.

It is an arithmetic number, because the mean of its divisors is an integer number (353407320).

Almost surely, 2^11550125220 is an apocalyptic number.

11550125220 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 11550125220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16963551360).

11550125220 is an abundant number, since it is smaller than the sum of its proper divisors (22376977500).

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

11550125220 is a wasteful number, since it uses less digits than its factorization.

11550125220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93605 (or 93603 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 24.

The spelling of 11550125220 in words is "eleven billion, five hundred fifty million, one hundred twenty-five thousand, two hundred twenty".