11171717 has 8 divisors (see below), whose sum is σ = 11370240. Its totient is φ = 10974880.

The previous prime is 11171683. The next prime is 11171729. The reversal of 11171717 is 71717111.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11171717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11171747) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 23084 + ... + 23562.

It is an arithmetic number, because the mean of its divisors is an integer number (1421280).

Almost surely, 2^11171717 is an apocalyptic number.

It is an amenable number.

11171717 is a deficient number, since it is larger than the sum of its proper divisors (198523).

11171717 is an equidigital number, since it uses as much as digits as its factorization.

11171717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 843.

The product of its digits is 343, while the sum is 26.

The square root of 11171717 is about 3342.4118537368. The cubic root of 11171717 is about 223.5492970482.

Adding to 11171717 its reverse (71717111), we get a palindrome (82888828).

The spelling of 11171717 in words is "eleven million, one hundred seventy-one thousand, seven hundred seventeen".