11055306220 has 96 divisors (see below), whose sum is σ = 27310445568. Its totient is φ = 3679748352.

The previous prime is 11055306209. The next prime is 11055306221. The reversal of 11055306220 is 2260355011.

It is not an unprimeable number, because it can be changed into a prime (11055306221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2603419 + ... + 2607661.

It is an arithmetic number, because the mean of its divisors is an integer number (284483808).

Almost surely, 2^11055306220 is an apocalyptic number.

11055306220 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 11055306220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13655222784).

11055306220 is an abundant number, since it is smaller than the sum of its proper divisors (16255139348).

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

11055306220 is a wasteful number, since it uses less digits than its factorization.

11055306220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4799 (or 4797 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The spelling of 11055306220 in words is "eleven billion, fifty-five million, three hundred six thousand, two hundred twenty".