115171507873 has 4 divisors (see below), whose sum is σ = 115233396628. Its totient is φ = 115109619120.

The previous prime is 115171507819. The next prime is 115171507889. The reversal of 115171507873 is 378705171511.

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

It can be written as a sum of positive squares in 2 ways, for example, as 11428251409 + 103743256464 = 106903^2 + 322092^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115171507873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115171507973) 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, 30941586 + ... + 30945307.

It is an arithmetic number, because the mean of its divisors is an integer number (28808349157).

Almost surely, 2^115171507873 is an apocalyptic number.

It is an amenable number.

115171507873 is a deficient number, since it is larger than the sum of its proper divisors (61888755).

115171507873 is an equidigital number, since it uses as much as digits as its factorization.

115171507873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61888754.

The product of its (nonzero) digits is 205800, while the sum is 46.

The spelling of 115171507873 in words is "one hundred fifteen billion, one hundred seventy-one million, five hundred seven thousand, eight hundred seventy-three".