11171065 has 8 divisors (see below), whose sum is σ = 13732488. Its totient is φ = 8718720.

The previous prime is 11171063. The next prime is 11171087. The reversal of 11171065 is 56017111.

It can be written as a sum of positive squares in 4 ways, for example, as 95481 + 11075584 = 309^2 + 3328^2 .

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

It is not a de Polignac number, because 11171065 - 2¹ = 11171063 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11171063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27042 + ... + 27451.

It is an arithmetic number, because the mean of its divisors is an integer number (1716561).

Almost surely, 2^11171065 is an apocalyptic number.

It is an amenable number.

11171065 is a deficient number, since it is larger than the sum of its proper divisors (2561423).

11171065 is an equidigital number, since it uses as much as digits as its factorization.

11171065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54539.

The product of its (nonzero) digits is 210, while the sum is 22.

The square root of 11171065 is about 3342.3143179540. The cubic root of 11171065 is about 223.5449480606.

Adding to 11171065 its reverse (56017111), we get a palindrome (67188176).

It can be divided in two parts, 1117106 and 5, that added together give a palindrome (1117111).

The spelling of 11171065 in words is "eleven million, one hundred seventy-one thousand, sixty-five".