11505056 has 24 divisors (see below), whose sum is σ = 23984100. Its totient is φ = 5413888.

The previous prime is 11505049. The next prime is 11505071. The reversal of 11505056 is 65050511.

11505056 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 11424400 + 80656 = 3380^2 + 284^2 .

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, 10031 + ... + 11118.

Almost surely, 2^11505056 is an apocalyptic number.

11505056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11505056 is an abundant number, since it is smaller than the sum of its proper divisors (12479044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11505056 is a wasteful number, since it uses less digits than its factorization.

11505056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21176 (or 21168 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 23.

The square root of 11505056 is about 3391.9103761745. The cubic root of 11505056 is about 225.7509460448.

Adding to 11505056 its reverse (65050511), we get a palindrome (76555567).

It can be divided in two parts, 1150505 and 6, that added together give a palindrome (1150511).

The spelling of 11505056 in words is "eleven million, five hundred five thousand, fifty-six".