5171206515 has 8 divisors (see below), whose sum is σ = 8273930448. Its totient is φ = 2757976800.

The previous prime is 5171206501. The next prime is 5171206561. The reversal of 5171206515 is 5156021715.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5171206515 - 2⁴ = 5171206499 is a prime.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 172373536 + ... + 172373565.

It is an arithmetic number, because the mean of its divisors is an integer number (1034241306).

Almost surely, 2^5171206515 is an apocalyptic number.

5171206515 is a deficient number, since it is larger than the sum of its proper divisors (3102723933).

5171206515 is a wasteful number, since it uses less digits than its factorization.

5171206515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344747109.

The product of its (nonzero) digits is 10500, while the sum is 33.

The square root of 5171206515 is about 71911.1014725821. The cubic root of 5171206515 is about 1729.2745925714.

The spelling of 5171206515 in words is "five billion, one hundred seventy-one million, two hundred six thousand, five hundred fifteen".