115469268989 has 4 divisors (see below), whose sum is σ = 116612529180. Its totient is φ = 114326008800.

The previous prime is 115469268853. The next prime is 115469269001. The reversal of 115469268989 is 989862964511.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 989862964511 = 101 ⋅9800623411.

It can be written as a sum of positive squares in 2 ways, for example, as 109004304964 + 6464964025 = 330158^2 + 80405^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115469268989 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115469261989) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 571629944 + ... + 571630145.

It is an arithmetic number, because the mean of its divisors is an integer number (29153132295).

Almost surely, 2^115469268989 is an apocalyptic number.

It is an amenable number.

115469268989 is a deficient number, since it is larger than the sum of its proper divisors (1143260191).

115469268989 is a wasteful number, since it uses less digits than its factorization.

115469268989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1143260190.

The product of its digits is 67184640, while the sum is 68.

The spelling of 115469268989 in words is "one hundred fifteen billion, four hundred sixty-nine million, two hundred sixty-eight thousand, nine hundred eighty-nine".