11243325220 has 12 divisors (see below), whose sum is σ = 23610983004. Its totient is φ = 4497330080.

The previous prime is 11243325217. The next prime is 11243325293. The reversal of 11243325220 is 2252334211.

It can be written as a sum of positive squares in 2 ways, for example, as 6488946916 + 4754378304 = 80554^2 + 68952^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 281083111 + ... + 281083150.

It is an arithmetic number, because the mean of its divisors is an integer number (1967581917).

Almost surely, 2^11243325220 is an apocalyptic number.

11243325220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11243325220 is an abundant number, since it is smaller than the sum of its proper divisors (12367657784).

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

11243325220 is a wasteful number, since it uses less digits than its factorization.

11243325220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562166270 (or 562166268 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 11243325220 its reverse (2252334211), we get a palindrome (13495659431).

The spelling of 11243325220 in words is "eleven billion, two hundred forty-three million, three hundred twenty-five thousand, two hundred twenty".