115544113289 has 4 divisors (see below), whose sum is σ = 126048123600. Its totient is φ = 105040102980.

The previous prime is 115544113273. The next prime is 115544113297. The reversal of 115544113289 is 982311445511.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 982311445511 = 11 ⋅89301040501.

It is a cyclic number.

It is not a de Polignac number, because 115544113289 - 2⁴ = 115544113273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115544113249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5252005139 + ... + 5252005160.

It is an arithmetic number, because the mean of its divisors is an integer number (31512030900).

Almost surely, 2^115544113289 is an apocalyptic number.

It is an amenable number.

115544113289 is a deficient number, since it is larger than the sum of its proper divisors (10504010311).

115544113289 is a wasteful number, since it uses less digits than its factorization.

115544113289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10504010310.

The product of its digits is 172800, while the sum is 44.

The spelling of 115544113289 in words is "one hundred fifteen billion, five hundred forty-four million, one hundred thirteen thousand, two hundred eighty-nine".