11055565 has 8 divisors (see below), whose sum is σ = 13344408. Its totient is φ = 8792640.

The previous prime is 11055557. The next prime is 11055599. The reversal of 11055565 is 56555011.

11055565 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 4435236 + 6620329 = 2106^2 + 2573^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11055565 - 2³ = 11055557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5526 + ... + 7255.

It is an arithmetic number, because the mean of its divisors is an integer number (1668051).

Almost surely, 2^11055565 is an apocalyptic number.

It is an amenable number.

11055565 is a deficient number, since it is larger than the sum of its proper divisors (2288843).

11055565 is a wasteful number, since it uses less digits than its factorization.

11055565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12959.

The product of its (nonzero) digits is 3750, while the sum is 28.

The square root of 11055565 is about 3324.9909774314. The cubic root of 11055565 is about 222.7718513625.

It can be divided in two parts, 1105 and 5565, that added together give a triangular number (6670 = T₁₁₅).

The spelling of 11055565 in words is "eleven million, fifty-five thousand, five hundred sixty-five".