11611724017 has 2 divisors, whose sum is σ = 11611724018. Its totient is φ = 11611724016.

The previous prime is 11611723993. The next prime is 11611724051. The reversal of 11611724017 is 71042711611.

11611724017 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., 6392961936 + 5218762081 = 79956^2 + 72241^2 .

It is an emirp because it is prime and its reverse (71042711611) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11611724017 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11611724017.

It is not a weakly prime, because it can be changed into another prime (11611724077) 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, 5805862008 + 5805862009.

It is an arithmetic number, because the mean of its divisors is an integer number (5805862009).

Almost surely, 2^11611724017 is an apocalyptic number.

It is an amenable number.

11611724017 is a deficient number, since it is larger than the sum of its proper divisors (1).

11611724017 is an equidigital number, since it uses as much as digits as its factorization.

11611724017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2352, while the sum is 31.

The spelling of 11611724017 in words is "eleven billion, six hundred eleven million, seven hundred twenty-four thousand, seventeen".