11005265 has 8 divisors (see below), whose sum is σ = 13262568. Its totient is φ = 8766720.

The previous prime is 11005259. The next prime is 11005277. The reversal of 11005265 is 56250011.

It can be written as a sum of positive squares in 4 ways, for example, as 3655744 + 7349521 = 1912^2 + 2711^2 .

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

It is not a de Polignac number, because 11005265 - 2¹² = 11001169 is a prime.

It is a super-2 number, since 2×11005265² = 242231715440450, which contains 22 as substring.

It is a Duffinian 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, 3362 + ... + 5771.

It is an arithmetic number, because the mean of its divisors is an integer number (1657821).

Almost surely, 2^11005265 is an apocalyptic number.

It is an amenable number.

11005265 is a deficient number, since it is larger than the sum of its proper divisors (2257303).

11005265 is an equidigital number, since it uses as much as digits as its factorization.

11005265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9379.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 11005265 is about 3317.4184240159. The cubic root of 11005265 is about 222.4334859888.

Adding to 11005265 its reverse (56250011), we get a palindrome (67255276).

The spelling of 11005265 in words is "eleven million, five thousand, two hundred sixty-five".