11742011917 has 2 divisors, whose sum is σ = 11742011918. Its totient is φ = 11742011916.

The previous prime is 11742011867. The next prime is 11742012001. The reversal of 11742011917 is 71911024711.

11742011917 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10864726756 + 877285161 = 104234^2 + 29619^2 .

It is a cyclic number.

It is not a de Polignac number, because 11742011917 - 2⁷ = 11742011789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11742011417) 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, 5871005958 + 5871005959.

It is an arithmetic number, because the mean of its divisors is an integer number (5871005959).

Almost surely, 2^11742011917 is an apocalyptic number.

It is an amenable number.

11742011917 is a deficient number, since it is larger than the sum of its proper divisors (1).

11742011917 is an equidigital number, since it uses as much as digits as its factorization.

11742011917 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3528, while the sum is 34.

The spelling of 11742011917 in words is "eleven billion, seven hundred forty-two million, eleven thousand, nine hundred seventeen".