11171705 has 4 divisors (see below), whose sum is σ = 13406052. Its totient is φ = 8937360.

The previous prime is 11171683. The next prime is 11171729. The reversal of 11171705 is 50717111.

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

It can be written as a sum of positive squares in 2 ways, for example, as 7123561 + 4048144 = 2669^2 + 2012^2 .

It is not a de Polignac number, because 11171705 - 2¹⁰ = 11170681 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, 1117166 + ... + 1117175.

It is an arithmetic number, because the mean of its divisors is an integer number (3351513).

Almost surely, 2^11171705 is an apocalyptic number.

It is an amenable number.

11171705 is a deficient number, since it is larger than the sum of its proper divisors (2234347).

11171705 is an equidigital number, since it uses as much as digits as its factorization.

11171705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2234346.

The product of its (nonzero) digits is 245, while the sum is 23.

The square root of 11171705 is about 3342.4100586254. The cubic root of 11171705 is about 223.5492170070.

Adding to 11171705 its reverse (50717111), we get a palindrome (61888816).

The spelling of 11171705 in words is "eleven million, one hundred seventy-one thousand, seven hundred five".