11240215 has 16 divisors (see below), whose sum is σ = 16086528. Its totient is φ = 7371936.

The previous prime is 11240209. The next prime is 11240219. The reversal of 11240215 is 51204211.

11240215 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 11240215 - 2⁵ = 11240183 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11240219) 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, 6177 + ... + 7786.

It is an arithmetic number, because the mean of its divisors is an integer number (1005408).

Almost surely, 2^11240215 is an apocalyptic number.

11240215 is a deficient number, since it is larger than the sum of its proper divisors (4846313).

11240215 is a wasteful number, since it uses less digits than its factorization.

11240215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13998.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 11240215 is about 3352.6429872565. The cubic root of 11240215 is about 224.0052547130.

Adding to 11240215 its reverse (51204211), we get a palindrome (62444426).

The spelling of 11240215 in words is "eleven million, two hundred forty thousand, two hundred fifteen".