115452743213 has 4 divisors (see below), whose sum is σ = 115549519548. Its totient is φ = 115355966880.

The previous prime is 115452743183. The next prime is 115452743243. The reversal of 115452743213 is 312347254511.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (115452743183) and next prime (115452743243).

It can be written as a sum of positive squares in 2 ways, for example, as 20919861769 + 94532881444 = 144637^2 + 307462^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115452743213 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 (115452743243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48386378 + ... + 48388763.

It is an arithmetic number, because the mean of its divisors is an integer number (28887379887).

Almost surely, 2^115452743213 is an apocalyptic number.

It is an amenable number.

115452743213 is a deficient number, since it is larger than the sum of its proper divisors (96776335).

115452743213 is an equidigital number, since it uses as much as digits as its factorization.

115452743213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96776334.

The product of its digits is 100800, while the sum is 38.

Adding to 115452743213 its reverse (312347254511), we get a palindrome (427799997724).

The spelling of 115452743213 in words is "one hundred fifteen billion, four hundred fifty-two million, seven hundred forty-three thousand, two hundred thirteen".