11243204140 has 48 divisors (see below), whose sum is σ = 27070005312. Its totient is φ = 3842482176.

The previous prime is 11243204129. The next prime is 11243204173. The reversal of 11243204140 is 4140234211.

It is a happy number.

11243204140 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 15 ways as a sum of consecutive naturals, for example, 84469 + ... + 172108.

It is an arithmetic number, because the mean of its divisors is an integer number (563958444).

Almost surely, 2^11243204140 is an apocalyptic number.

11243204140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11243204140 is an abundant number, since it is smaller than the sum of its proper divisors (15826801172).

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

11243204140 is a wasteful number, since it uses less digits than its factorization.

11243204140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256906 (or 256904 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 11243204140 its reverse (4140234211), we get a palindrome (15383438351).

The spelling of 11243204140 in words is "eleven billion, two hundred forty-three million, two hundred four thousand, one hundred forty".