11056206 has 32 divisors (see below), whose sum is σ = 25655040. Its totient is φ = 3110976.

The previous prime is 11056193. The next prime is 11056207. The reversal of 11056206 is 60265011.

It is a happy number.

It is a super-2 number, since 2×11056206² = 244479382228872, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11056207) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 850 + ... + 4778.

It is an arithmetic number, because the mean of its divisors is an integer number (801720).

Almost surely, 2^11056206 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11056206, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12827520).

11056206 is an abundant number, since it is smaller than the sum of its proper divisors (14598834).

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

11056206 is a wasteful number, since it uses less digits than its factorization.

11056206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4008.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 11056206 is about 3325.0873672732. The cubic root of 11056206 is about 222.7761567055.

The spelling of 11056206 in words is "eleven million, fifty-six thousand, two hundred six".