11289056 has 24 divisors (see below), whose sum is σ = 22403304. Its totient is φ = 5599360.

The previous prime is 11289049. The next prime is 11289077. The reversal of 11289056 is 65098211.

It is a super-2 number, since 2×11289056² = 254885570742272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2846 + ... + 5538.

It is an arithmetic number, because the mean of its divisors is an integer number (933471).

Almost surely, 2^11289056 is an apocalyptic number.

11289056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11289056 is a deficient number, since it is larger than the sum of its proper divisors (11114248).

11289056 is a wasteful number, since it uses less digits than its factorization.

11289056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2834 (or 2826 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 32.

The square root of 11289056 is about 3359.9190466438. The cubic root of 11289056 is about 224.3292352407.

The spelling of 11289056 in words is "eleven million, two hundred eighty-nine thousand, fifty-six".