11155056 has 80 divisors (see below), whose sum is σ = 32343168. Its totient is φ = 3283200.

The previous prime is 11155051. The next prime is 11155061. The reversal of 11155056 is 65055111.

It is an interprime number because it is at equal distance from previous prime (11155051) and next prime (11155061).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11155051) 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, 19251 + ... + 19821.

Almost surely, 2^11155056 is an apocalyptic number.

11155056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11155056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16171584).

11155056 is an abundant number, since it is smaller than the sum of its proper divisors (21188112).

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

11155056 is a wasteful number, since it uses less digits than its factorization.

11155056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 630 (or 624 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 24.

The square root of 11155056 is about 3339.9185618814. The cubic root of 11155056 is about 223.4381112768.

The spelling of 11155056 in words is "eleven million, one hundred fifty-five thousand, fifty-six".