115173171013345 has 16 divisors (see below), whose sum is σ = 140815965160080. Its totient is φ = 90399775009024.

The previous prime is 115173171013343. The next prime is 115173171013361. The reversal of 115173171013345 is 543310171371511.

It can be written as a sum of positive squares in 8 ways, for example, as 3121144088976 + 112052026924369 = 1766676^2 + 10585463^2 .

It is a cyclic number.

It is not a de Polignac number, because 115173171013345 - 2¹ = 115173171013343 is a prime.

It is not an unprimeable number, because it can be changed into a prime (115173171013343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114240207 + ... + 115243963.

It is an arithmetic number, because the mean of its divisors is an integer number (8800997822505).

Almost surely, 2^{115173171013345} is an apocalyptic number.

It is an amenable number.

115173171013345 is a deficient number, since it is larger than the sum of its proper divisors (25642794146735).

115173171013345 is a wasteful number, since it uses less digits than its factorization.

115173171013345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1436804.

The product of its (nonzero) digits is 132300, while the sum is 43.

The spelling of 115173171013345 in words is "one hundred fifteen trillion, one hundred seventy-three billion, one hundred seventy-one million, thirteen thousand, three hundred forty-five".