11281264 has 10 divisors (see below), whose sum is σ = 21857480. Its totient is φ = 5640624.

The previous prime is 11281253. The next prime is 11281267. The reversal of 11281264 is 46218211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11281267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 352524 + ... + 352555.

It is an arithmetic number, because the mean of its divisors is an integer number (2185748).

Almost surely, 2^11281264 is an apocalyptic number.

It is an amenable number.

11281264 is a deficient number, since it is larger than the sum of its proper divisors (10576216).

11281264 is an equidigital number, since it uses as much as digits as its factorization.

11281264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 705087 (or 705081 counting only the distinct ones).

The product of its digits is 768, while the sum is 25.

The square root of 11281264 is about 3358.7592947397. The cubic root of 11281264 is about 224.2776107375.

Adding to 11281264 its reverse (46218211), we get a palindrome (57499475).

The spelling of 11281264 in words is "eleven million, two hundred eighty-one thousand, two hundred sixty-four".