11055816 has 48 divisors (see below), whose sum is σ = 30647760. Its totient is φ = 3598560.

The previous prime is 11055791. The next prime is 11055817. The reversal of 11055816 is 61855011.

It is a self number, because there is not a number n which added to its sum of digits gives 11055816.

It is not an unprimeable number, because it can be changed into a prime (11055817) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1311 + ... + 4881.

It is an arithmetic number, because the mean of its divisors is an integer number (638495).

Almost surely, 2^11055816 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 11055816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15323880).

11055816 is an abundant number, since it is smaller than the sum of its proper divisors (19591944).

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

11055816 is a wasteful number, since it uses less digits than its factorization.

11055816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3626 (or 3619 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 27.

The square root of 11055816 is about 3325.0287216805. The cubic root of 11055816 is about 222.7735372499.

The spelling of 11055816 in words is "eleven million, fifty-five thousand, eight hundred sixteen".