11056188 has 96 divisors (see below), whose sum is σ = 32175360. Its totient is φ = 2903040.

The previous prime is 11056147. The next prime is 11056193. The reversal of 11056188 is 88165011.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28983 + ... + 29361.

It is an arithmetic number, because the mean of its divisors is an integer number (335160).

Almost surely, 2^11056188 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 11056188, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16087680).

11056188 is an abundant number, since it is smaller than the sum of its proper divisors (21119172).

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

11056188 is a wasteful number, since it uses less digits than its factorization.

11056188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427 (or 425 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 30.

The square root of 11056188 is about 3325.0846605763. The cubic root of 11056188 is about 222.7760358089.

The spelling of 11056188 in words is "eleven million, fifty-six thousand, one hundred eighty-eight".