5182515992197 has 4 divisors (see below), whose sum is σ = 5182536493260. Its totient is φ = 5182495491136.

The previous prime is 5182515992189. The next prime is 5182515992207. The reversal of 5182515992197 is 7912995152815.

It is a Cunningham number, because it is equal to 2276514²+1.

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 2115145557316 + 3067370434881 = 1454354^2 + 1751391^2 .

It is a cyclic number.

It is not a de Polignac number, because 5182515992197 - 2³ = 5182515992189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5182515992117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9866548 + ... + 10378525.

It is an arithmetic number, because the mean of its divisors is an integer number (1295634123315).

Almost surely, 2^{5182515992197} is an apocalyptic number.

It is an amenable number.

5182515992197 is a deficient number, since it is larger than the sum of its proper divisors (20501063).

5182515992197 is a wasteful number, since it uses less digits than its factorization.

5182515992197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20501062.

The product of its digits is 20412000, while the sum is 64.

The spelling of 5182515992197 in words is "five trillion, one hundred eighty-two billion, five hundred fifteen million, nine hundred ninety-two thousand, one hundred ninety-seven".