115194993060509 has 2 divisors, whose sum is σ = 115194993060510. Its totient is φ = 115194993060508.

The previous prime is 115194993060421. The next prime is 115194993060523. The reversal of 115194993060509 is 905060399491511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 65882085101284 + 49312907959225 = 8116778^2 + 7022315^2 .

It is an emirp because it is prime and its reverse (905060399491511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 115194993060509 - 2²⁴ = 115194976283293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115194993060709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57597496530254 + 57597496530255.

It is an arithmetic number, because the mean of its divisors is an integer number (57597496530255).

Almost surely, 2^{115194993060509} is an apocalyptic number.

It is an amenable number.

115194993060509 is a deficient number, since it is larger than the sum of its proper divisors (1).

115194993060509 is an equidigital number, since it uses as much as digits as its factorization.

115194993060509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11809800, while the sum is 62.

The spelling of 115194993060509 in words is "one hundred fifteen trillion, one hundred ninety-four billion, nine hundred ninety-three million, sixty thousand, five hundred nine".