115454144204197 has 2 divisors, whose sum is σ = 115454144204198. Its totient is φ = 115454144204196.

The previous prime is 115454144204159. The next prime is 115454144204221. The reversal of 115454144204197 is 791402441454511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 74258876134881 + 41195268069316 = 8617359^2 + 6418354^2 .

It is a cyclic number.

It is not a de Polignac number, because 115454144204197 - 2³¹ = 115451996720549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115454144204297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57727072102098 + 57727072102099.

It is an arithmetic number, because the mean of its divisors is an integer number (57727072102099).

Almost surely, 2^{115454144204197} is an apocalyptic number.

It is an amenable number.

115454144204197 is a deficient number, since it is larger than the sum of its proper divisors (1).

115454144204197 is an equidigital number, since it uses as much as digits as its factorization.

115454144204197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3225600, while the sum is 52.

The spelling of 115454144204197 in words is "one hundred fifteen trillion, four hundred fifty-four billion, one hundred forty-four million, two hundred four thousand, one hundred ninety-seven".