11242511 has 16 divisors (see below), whose sum is σ = 13320000. Its totient is φ = 9483264.

The previous prime is 11242507. The next prime is 11242523. The reversal of 11242511 is 11524211.

11242511 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11242511 - 2² = 11242507 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11242511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11242501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24815 + ... + 25263.

It is an arithmetic number, because the mean of its divisors is an integer number (832500).

Almost surely, 2^11242511 is an apocalyptic number.

11242511 is a deficient number, since it is larger than the sum of its proper divisors (2077489).

11242511 is an frugal number, since it uses more digits than its factorization.

11242511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543 (or 529 counting only the distinct ones).

The product of its digits is 80, while the sum is 17.

The square root of 11242511 is about 3352.9853861894. The cubic root of 11242511 is about 224.0205059352.

Adding to 11242511 its reverse (11524211), we get a palindrome (22766722).

The spelling of 11242511 in words is "eleven million, two hundred forty-two thousand, five hundred eleven".