5211705117 has 4 divisors (see below), whose sum is σ = 6948940160. Its totient is φ = 3474470076.

The previous prime is 5211705071. The next prime is 5211705167. The reversal of 5211705117 is 7115071125.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 5211705117 - 2¹⁹ = 5211180829 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 (5211705167) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 868617517 + ... + 868617522.

It is an arithmetic number, because the mean of its divisors is an integer number (1737235040).

Almost surely, 2^5211705117 is an apocalyptic number.

It is an amenable number.

5211705117 is a deficient number, since it is larger than the sum of its proper divisors (1737235043).

5211705117 is a wasteful number, since it uses less digits than its factorization.

5211705117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1737235042.

The product of its (nonzero) digits is 2450, while the sum is 30.

The square root of 5211705117 is about 72192.1402716390. The cubic root of 5211705117 is about 1733.7771634612. Note that the first 3 decimals are identical.

The spelling of 5211705117 in words is "five billion, two hundred eleven million, seven hundred five thousand, one hundred seventeen".