115242531236571 has 4 divisors (see below), whose sum is σ = 153656708315432. Its totient is φ = 76828354157712.

The previous prime is 115242531236551. The next prime is 115242531236621. The reversal of 115242531236571 is 175632135242511.

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

It is not a de Polignac number, because 115242531236571 - 2⁹ = 115242531236059 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 115242531236571.

It is not an unprimeable number, because it can be changed into a prime (115242531236501) 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, 19207088539426 + ... + 19207088539431.

It is an arithmetic number, because the mean of its divisors is an integer number (38414177078858).

Almost surely, 2^{115242531236571} is an apocalyptic number.

115242531236571 is a deficient number, since it is larger than the sum of its proper divisors (38414177078861).

115242531236571 is an equidigital number, since it uses as much as digits as its factorization.

115242531236571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38414177078860.

The product of its digits is 1512000, while the sum is 48.

The spelling of 115242531236571 in words is "one hundred fifteen trillion, two hundred forty-two billion, five hundred thirty-one million, two hundred thirty-six thousand, five hundred seventy-one".