11066553 has 6 divisors (see below), whose sum is σ = 15985034. Its totient is φ = 7377696.

The previous prime is 11066543. The next prime is 11066563. The reversal of 11066553 is 35566011.

It is a happy number.

11066553 is a `hidden beast` number, since 1 + 1 + 0 + 6 + 655 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (11066543) and next prime (11066563).

It can be written as a sum of positive squares in only one way, i.e., 6953769 + 4112784 = 2637^2 + 2028^2 .

It is not a de Polignac number, because 11066553 - 2¹⁰ = 11065529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11066513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 614800 + ... + 614817.

Almost surely, 2^11066553 is an apocalyptic number.

It is an amenable number.

11066553 is a deficient number, since it is larger than the sum of its proper divisors (4918481).

11066553 is a wasteful number, since it uses less digits than its factorization.

11066553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1229623 (or 1229620 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 11066553 is about 3326.6429023867. The cubic root of 11066553 is about 222.8456303929.

The spelling of 11066553 in words is "eleven million, sixty-six thousand, five hundred fifty-three".