115042536243 has 12 divisors (see below), whose sum is σ = 166175886240. Its totient is φ = 76693485456.

The previous prime is 115042536233. The next prime is 115042536247. The reversal of 115042536243 is 342635240511.

115042536243 is a `hidden beast` number, since 1 + 1 + 5 + 0 + 4 + 25 + 3 + 624 + 3 = 666.

It is not a de Polignac number, because 115042536243 - 2²¹ = 115040439091 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 115042536198 and 115042536207.

It is not an unprimeable number, because it can be changed into a prime (115042536247) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 515238 + ... + 703956.

It is an arithmetic number, because the mean of its divisors is an integer number (13847990520).

Almost surely, 2^115042536243 is an apocalyptic number.

115042536243 is a deficient number, since it is larger than the sum of its proper divisors (51133349997).

115042536243 is a wasteful number, since it uses less digits than its factorization.

115042536243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256458 (or 256455 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

Adding to 115042536243 its reverse (342635240511), we get a palindrome (457677776754).

The spelling of 115042536243 in words is "one hundred fifteen billion, forty-two million, five hundred thirty-six thousand, two hundred forty-three".