115815498371 has 4 divisors (see below), whose sum is σ = 116397486000. Its totient is φ = 115233510744.

The previous prime is 115815498353. The next prime is 115815498437. The reversal of 115815498371 is 173894518511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 173894518511 = 7 ⋅24842074073.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115815498371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115815498571) 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, 290993516 + ... + 290993913.

It is an arithmetic number, because the mean of its divisors is an integer number (29099371500).

Almost surely, 2^115815498371 is an apocalyptic number.

115815498371 is a deficient number, since it is larger than the sum of its proper divisors (581987629).

115815498371 is an equidigital number, since it uses as much as digits as its factorization.

115815498371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 581987628.

The product of its digits is 1209600, while the sum is 53.

The spelling of 115815498371 in words is "one hundred fifteen billion, eight hundred fifteen million, four hundred ninety-eight thousand, three hundred seventy-one".