115155512340773 has 2 divisors, whose sum is σ = 115155512340774. Its totient is φ = 115155512340772.

The previous prime is 115155512340721. The next prime is 115155512340851. The reversal of 115155512340773 is 377043215551511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 104906409518689 + 10249102822084 = 10242383^2 + 3201422^2 .

It is a cyclic number.

It is not a de Polignac number, because 115155512340773 - 2¹² = 115155512336677 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115155512390773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57577756170386 + 57577756170387.

It is an arithmetic number, because the mean of its divisors is an integer number (57577756170387).

Almost surely, 2^{115155512340773} is an apocalyptic number.

It is an amenable number.

115155512340773 is a deficient number, since it is larger than the sum of its proper divisors (1).

115155512340773 is an equidigital number, since it uses as much as digits as its factorization.

115155512340773 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2205000, while the sum is 50.

The spelling of 115155512340773 in words is "one hundred fifteen trillion, one hundred fifty-five billion, five hundred twelve million, three hundred forty thousand, seven hundred seventy-three".