5170197811515 has 128 divisors (see below), whose sum is σ = 9448435482624. Its totient is φ = 2391306624000.

The previous prime is 5170197811511. The next prime is 5170197811517. The reversal of 5170197811515 is 5151187910715.

It is not a de Polignac number, because 5170197811515 - 2² = 5170197811511 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5170197811511) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 988373950 + ... + 988379180.

It is an arithmetic number, because the mean of its divisors is an integer number (73815902208).

Almost surely, 2^{5170197811515} is an apocalyptic number.

5170197811515 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

5170197811515 is a deficient number, since it is larger than the sum of its proper divisors (4278237671109).

5170197811515 is a wasteful number, since it uses less digits than its factorization.

5170197811515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8001.

The product of its (nonzero) digits is 441000, while the sum is 51.

The spelling of 5170197811515 in words is "five trillion, one hundred seventy billion, one hundred ninety-seven million, eight hundred eleven thousand, five hundred fifteen".