11361818291617 has 2 divisors, whose sum is σ = 11361818291618. Its totient is φ = 11361818291616.

The previous prime is 11361818291573. The next prime is 11361818291687. The reversal of 11361818291617 is 71619281816311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5905113841936 + 5456704449681 = 2430044^2 + 2335959^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11361818291617 is a prime.

It is not a weakly prime, because it can be changed into another prime (11361818291687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5680909145808 + 5680909145809.

It is an arithmetic number, because the mean of its divisors is an integer number (5680909145809).

Almost surely, 2^{11361818291617} is an apocalyptic number.

It is an amenable number.

11361818291617 is a deficient number, since it is larger than the sum of its proper divisors (1).

11361818291617 is an equidigital number, since it uses as much as digits as its factorization.

11361818291617 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 870912, while the sum is 55.

The spelling of 11361818291617 in words is "eleven trillion, three hundred sixty-one billion, eight hundred eighteen million, two hundred ninety-one thousand, six hundred seventeen".