11398133220 has 24 divisors (see below), whose sum is σ = 31914773184. Its totient is φ = 3039502176.

The previous prime is 11398133213. The next prime is 11398133221. The reversal of 11398133220 is 2233189311.

It is not an unprimeable number, because it can be changed into a prime (11398133221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94984384 + ... + 94984503.

It is an arithmetic number, because the mean of its divisors is an integer number (1329782216).

Almost surely, 2^11398133220 is an apocalyptic number.

11398133220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11398133220 is an abundant number, since it is smaller than the sum of its proper divisors (20516639964).

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

11398133220 is a wasteful number, since it uses less digits than its factorization.

11398133220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189968899 (or 189968897 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 33.

The spelling of 11398133220 in words is "eleven billion, three hundred ninety-eight million, one hundred thirty-three thousand, two hundred twenty".