11085505 has 4 divisors (see below), whose sum is σ = 13302612. Its totient is φ = 8868400.

The previous prime is 11085499. The next prime is 11085523. The reversal of 11085505 is 50558011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50558011 = 7 ⋅7222573.

It can be written as a sum of positive squares in 2 ways, for example, as 2582449 + 8503056 = 1607^2 + 2916^2 .

It is a de Polignac number, because none of the positive numbers 2^k-11085505 is a prime.

It is a super-2 number, since 2×11085505² = 245776842210050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11085505.

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, 1108546 + ... + 1108555.

It is an arithmetic number, because the mean of its divisors is an integer number (3325653).

Almost surely, 2^11085505 is an apocalyptic number.

It is an amenable number.

11085505 is a deficient number, since it is larger than the sum of its proper divisors (2217107).

11085505 is an equidigital number, since it uses as much as digits as its factorization.

11085505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2217106.

The product of its (nonzero) digits is 1000, while the sum is 25.

The square root of 11085505 is about 3329.4902012170. The cubic root of 11085505 is about 222.9727691015.

The spelling of 11085505 in words is "eleven million, eighty-five thousand, five hundred five".