115431245315 has 8 divisors (see below), whose sum is σ = 140865248880. Its totient is φ = 90779826592.

The previous prime is 115431245311. The next prime is 115431245323. The reversal of 115431245315 is 513542134511.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 115431245315 - 2² = 115431245311 is a prime.

It is not an unprimeable number, because it can be changed into a prime (115431245311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195645884 + ... + 195646473.

It is an arithmetic number, because the mean of its divisors is an integer number (17608156110).

Almost surely, 2^115431245315 is an apocalyptic number.

115431245315 is a deficient number, since it is larger than the sum of its proper divisors (25434003565).

115431245315 is an equidigital number, since it uses as much as digits as its factorization.

115431245315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391292421.

The product of its digits is 36000, while the sum is 35.

Adding to 115431245315 its reverse (513542134511), we get a palindrome (628973379826).

The spelling of 115431245315 in words is "one hundred fifteen billion, four hundred thirty-one million, two hundred forty-five thousand, three hundred fifteen".