11243512 has 64 divisors (see below), whose sum is σ = 25401600. Its totient is φ = 4565760.

The previous prime is 11243509. The next prime is 11243563. The reversal of 11243512 is 21534211.

It is a self number, because there is not a number n which added to its sum of digits gives 11243512.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135423 + ... + 135505.

It is an arithmetic number, because the mean of its divisors is an integer number (396900).

Almost surely, 2^11243512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11243512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12700800).

11243512 is an abundant number, since it is smaller than the sum of its proper divisors (14158088).

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

11243512 is a wasteful number, since it uses less digits than its factorization.

11243512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196 (or 192 counting only the distinct ones).

The product of its digits is 240, while the sum is 19.

The square root of 11243512 is about 3353.1346528286. The cubic root of 11243512 is about 224.0271544462.

Adding to 11243512 its reverse (21534211), we get a palindrome (32777723).

The spelling of 11243512 in words is "eleven million, two hundred forty-three thousand, five hundred twelve".