11066555 has 4 divisors (see below), whose sum is σ = 13279872. Its totient is φ = 8853240.

The previous prime is 11066543. The next prime is 11066563. The reversal of 11066555 is 55566011.

11066555 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 11066555 - 2⁶ = 11066491 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1106651 + ... + 1106660.

It is an arithmetic number, because the mean of its divisors is an integer number (3319968).

Almost surely, 2^11066555 is an apocalyptic number.

11066555 is a deficient number, since it is larger than the sum of its proper divisors (2213317).

11066555 is an equidigital number, since it uses as much as digits as its factorization.

11066555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2213316.

The product of its (nonzero) digits is 4500, while the sum is 29.

The square root of 11066555 is about 3326.6432029901. The cubic root of 11066555 is about 222.8456438175.

The spelling of 11066555 in words is "eleven million, sixty-six thousand, five hundred fifty-five".