11056 has 10 divisors (see below), whose sum is σ = 21452. Its totient is φ = 5520.

The previous prime is 11047. The next prime is 11057. The reversal of 11056 is 65011.

It is not an unprimeable number, because it can be changed into a prime (11057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 330 + ... + 361.

2¹¹⁰⁵⁶ is an apocalyptic number.

11056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

11056 is the 67-th centered pentagonal number.

It is an amenable number.

11056 is a deficient number, since it is larger than the sum of its proper divisors (10396).

11056 is an equidigital number, since it uses as much as digits as its factorization.

11056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 699 (or 693 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 13.

The square root of 11056 is about 105.1475154248. The cubic root of 11056 is about 22.2774773103.

Subtracting from 11056 its product of nonzero digits (30), we obtain a triangular number (11026 = T₁₄₈).

Adding to 11056 its reverse (65011), we get a palindrome (76067).

It can be divided in two parts, 1105 and 6, that added together give a palindrome (1111).

The spelling of 11056 in words is "eleven thousand, fifty-six".