11725711717 has 2 divisors, whose sum is σ = 11725711718. Its totient is φ = 11725711716.

The previous prime is 11725711709. The next prime is 11725711721. The reversal of 11725711717 is 71711752711.

It is a happy number.

11725711717 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6142483876 + 5583227841 = 78374^2 + 74721^2 .

It is a cyclic number.

It is not a de Polignac number, because 11725711717 - 2³ = 11725711709 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11725711717.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11725711817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5862855858 + 5862855859.

It is an arithmetic number, because the mean of its divisors is an integer number (5862855859).

Almost surely, 2^11725711717 is an apocalyptic number.

It is an amenable number.

11725711717 is a deficient number, since it is larger than the sum of its proper divisors (1).

11725711717 is an equidigital number, since it uses as much as digits as its factorization.

11725711717 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24010, while the sum is 40.

The spelling of 11725711717 in words is "eleven billion, seven hundred twenty-five million, seven hundred eleven thousand, seven hundred seventeen".