11557717 has 2 divisors, whose sum is σ = 11557718. Its totient is φ = 11557716.

The previous prime is 11557703. The next prime is 11557751. The reversal of 11557717 is 71775511.

11557717 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (11557751) can be obtained adding 11557717 to its sum of digits (34).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10850436 + 707281 = 3294^2 + 841^2 .

It is an emirp because it is prime and its reverse (71775511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11557717 - 2¹¹ = 11555669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11557787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5778858 + 5778859.

It is an arithmetic number, because the mean of its divisors is an integer number (5778859).

Almost surely, 2^11557717 is an apocalyptic number.

It is an amenable number.

11557717 is a deficient number, since it is larger than the sum of its proper divisors (1).

11557717 is an equidigital number, since it uses as much as digits as its factorization.

11557717 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8575, while the sum is 34.

The square root of 11557717 is about 3399.6642481280. The cubic root of 11557717 is about 226.0948579795.

The spelling of 11557717 in words is "eleven million, five hundred fifty-seven thousand, seven hundred seventeen".