11056556 has 36 divisors (see below), whose sum is σ = 23700600. Its totient is φ = 4487616.

The previous prime is 11056523. The next prime is 11056561. The reversal of 11056556 is 65565011.

11056556 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×11056556² = 244494861162272, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2240 + ... + 5208.

It is an arithmetic number, because the mean of its divisors is an integer number (658350).

Almost surely, 2^11056556 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11056556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11850300).

11056556 is an abundant number, since it is smaller than the sum of its proper divisors (12644044).

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

11056556 is a wasteful number, since it uses less digits than its factorization.

11056556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3006 (or 2997 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 29.

The square root of 11056556 is about 3325.1399970528. The cubic root of 11056556 is about 222.7785074465.

The spelling of 11056556 in words is "eleven million, fifty-six thousand, five hundred fifty-six".