115445659447 has 4 divisors (see below), whose sum is σ = 115809841656. Its totient is φ = 115081477240.

The previous prime is 115445659423. The next prime is 115445659453. The reversal of 115445659447 is 744956544511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 744956544511 = 297911 ⋅2500601.

It is a cyclic number.

It is not a de Polignac number, because 115445659447 - 2¹¹ = 115445657399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115445659547) 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, 182090629 + ... + 182091262.

It is an arithmetic number, because the mean of its divisors is an integer number (28952460414).

Almost surely, 2^115445659447 is an apocalyptic number.

115445659447 is a deficient number, since it is larger than the sum of its proper divisors (364182209).

115445659447 is an equidigital number, since it uses as much as digits as its factorization.

115445659447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364182208.

The product of its digits is 12096000, while the sum is 55.

The spelling of 115445659447 in words is "one hundred fifteen billion, four hundred forty-five million, six hundred fifty-nine thousand, four hundred forty-seven".