11070805 has 4 divisors (see below), whose sum is σ = 13284972. Its totient is φ = 8856640.

The previous prime is 11070781. The next prime is 11070821. The reversal of 11070805 is 50807011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50807011 = 1307 ⋅38873.

It can be written as a sum of positive squares in 2 ways, for example, as 4955076 + 6115729 = 2226^2 + 2473^2 .

It is not a de Polignac number, because 11070805 - 2¹⁵ = 11038037 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1107076 + ... + 1107085.

It is an arithmetic number, because the mean of its divisors is an integer number (3321243).

Almost surely, 2^11070805 is an apocalyptic number.

It is an amenable number.

11070805 is a deficient number, since it is larger than the sum of its proper divisors (2214167).

11070805 is an equidigital number, since it uses as much as digits as its factorization.

11070805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2214166.

The product of its (nonzero) digits is 280, while the sum is 22.

The square root of 11070805 is about 3327.2819237329. The cubic root of 11070805 is about 222.8741673815.

Adding to 11070805 its reverse (50807011), we get a palindrome (61877816).

The spelling of 11070805 in words is "eleven million, seventy thousand, eight hundred five".