11220503660 has 24 divisors (see below), whose sum is σ = 23594802336. Its totient is φ = 4482154880.

The previous prime is 11220503641. The next prime is 11220503681. The reversal of 11220503660 is 6630502211.

11220503660 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 362681 + ... + 392400.

It is an arithmetic number, because the mean of its divisors is an integer number (983116764).

Almost surely, 2^11220503660 is an apocalyptic number.

11220503660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11220503660 is an abundant number, since it is smaller than the sum of its proper divisors (12374298676).

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

11220503660 is a wasteful number, since it uses less digits than its factorization.

11220503660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 755833 (or 755831 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The spelling of 11220503660 in words is "eleven billion, two hundred twenty million, five hundred three thousand, six hundred sixty".