11555056 has 20 divisors (see below), whose sum is σ = 22464832. Its totient is φ = 5757696.

The previous prime is 11555051. The next prime is 11555057. The reversal of 11555056 is 65055511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11555051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4321 + ... + 6463.

Almost surely, 2^11555056 is an apocalyptic number.

11555056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11555056 is a deficient number, since it is larger than the sum of its proper divisors (10909776).

11555056 is a wasteful number, since it uses less digits than its factorization.

11555056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2488 (or 2482 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 28.

The square root of 11555056 is about 3399.2728634224. The cubic root of 11555056 is about 226.0775049389.

It can be divided in two parts, 1155505 and 6, that added together give a palindrome (1155511).

The spelling of 11555056 in words is "eleven million, five hundred fifty-five thousand, fifty-six".