115523229389 has 2 divisors, whose sum is σ = 115523229390. Its totient is φ = 115523229388.

The previous prime is 115523229379. The next prime is 115523229401. The reversal of 115523229389 is 983922325511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 108608475364 + 6914754025 = 329558^2 + 83155^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115523229389 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 (115523229379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57761614694 + 57761614695.

It is an arithmetic number, because the mean of its divisors is an integer number (57761614695).

Almost surely, 2^115523229389 is an apocalyptic number.

It is an amenable number.

115523229389 is a deficient number, since it is larger than the sum of its proper divisors (1).

115523229389 is an equidigital number, since it uses as much as digits as its factorization.

115523229389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1166400, while the sum is 50.

The spelling of 115523229389 in words is "one hundred fifteen billion, five hundred twenty-three million, two hundred twenty-nine thousand, three hundred eighty-nine".