115154435232173 has 2 divisors, whose sum is σ = 115154435232174. Its totient is φ = 115154435232172.

The previous prime is 115154435232139. The next prime is 115154435232203. The reversal of 115154435232173 is 371232534451511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 88800976424329 + 26353458807844 = 9423427^2 + 5133562^2 .

It is a cyclic number.

It is not a de Polignac number, because 115154435232173 - 2⁸ = 115154435231917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115154435232113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57577217616086 + 57577217616087.

It is an arithmetic number, because the mean of its divisors is an integer number (57577217616087).

Almost surely, 2^{115154435232173} is an apocalyptic number.

It is an amenable number.

115154435232173 is a deficient number, since it is larger than the sum of its proper divisors (1).

115154435232173 is an equidigital number, since it uses as much as digits as its factorization.

115154435232173 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1512000, while the sum is 47.

Adding to 115154435232173 its reverse (371232534451511), we get a palindrome (486386969683684).

The spelling of 115154435232173 in words is "one hundred fifteen trillion, one hundred fifty-four billion, four hundred thirty-five million, two hundred thirty-two thousand, one hundred seventy-three".