11243311530 has 96 divisors (see below), whose sum is σ = 29712336192. Its totient is φ = 2720847360.

The previous prime is 11243311517. The next prime is 11243311543. The reversal of 11243311530 is 3511334211.

11243311530 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11243311517) and next prime (11243311543).

It is a self number, because there is not a number n which added to its sum of digits gives 11243311530.

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 47 ways as a sum of consecutive naturals, for example, 2331682 + ... + 2336498.

It is an arithmetic number, because the mean of its divisors is an integer number (309503502).

Almost surely, 2^11243311530 is an apocalyptic number.

11243311530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11243311530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14856168096).

11243311530 is an abundant number, since it is smaller than the sum of its proper divisors (18469024662).

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

11243311530 is a wasteful number, since it uses less digits than its factorization.

11243311530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5492 (or 5481 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

Adding to 11243311530 its reverse (3511334211), we get a palindrome (14754645741).

The spelling of 11243311530 in words is "eleven billion, two hundred forty-three million, three hundred eleven thousand, five hundred thirty".