115851844768073 has 2 divisors, whose sum is σ = 115851844768074. Its totient is φ = 115851844768072.

The previous prime is 115851844768039. The next prime is 115851844768103. The reversal of 115851844768073 is 370867448158511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 110399003310649 + 5452841457424 = 10507093^2 + 2335132^2 .

It is an emirp because it is prime and its reverse (370867448158511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 115851844768073 - 2⁸ = 115851844767817 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 115851844767994 and 115851844768012.

It is not a weakly prime, because it can be changed into another prime (115851844768973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57925922384036 + 57925922384037.

It is an arithmetic number, because the mean of its divisors is an integer number (57925922384037).

Almost surely, 2^{115851844768073} is an apocalyptic number.

It is an amenable number.

115851844768073 is a deficient number, since it is larger than the sum of its proper divisors (1).

115851844768073 is an equidigital number, since it uses as much as digits as its factorization.

115851844768073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 180633600, while the sum is 68.

The spelling of 115851844768073 in words is "one hundred fifteen trillion, eight hundred fifty-one billion, eight hundred forty-four million, seven hundred sixty-eight thousand, seventy-three".