11409265 has 16 divisors (see below), whose sum is σ = 16328448. Its totient is φ = 7482816.

The previous prime is 11409221. The next prime is 11409287. The reversal of 11409265 is 56290411.

It is a cyclic number.

It is not a de Polignac number, because 11409265 - 2⁷ = 11409137 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6282 + ... + 7891.

It is an arithmetic number, because the mean of its divisors is an integer number (1020528).

Almost surely, 2^11409265 is an apocalyptic number.

It is an amenable number.

11409265 is a deficient number, since it is larger than the sum of its proper divisors (4919183).

11409265 is a wasteful number, since it uses less digits than its factorization.

11409265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14208.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 11409265 is about 3377.7603526597. The cubic root of 11409265 is about 225.1226656232.

Adding to 11409265 its reverse (56290411), we get a palindrome (67699676).

The spelling of 11409265 in words is "eleven million, four hundred nine thousand, two hundred sixty-five".