5172160711205 has 4 divisors (see below), whose sum is σ = 6206592853452. Its totient is φ = 4137728568960.

The previous prime is 5172160711199. The next prime is 5172160711229. The reversal of 5172160711205 is 5021170612715.

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 4000296005476 + 1171864705729 = 2000074^2 + 1082527^2 .

It is not a de Polignac number, because 5172160711205 - 2¹⁰ = 5172160710181 is a prime.

It is a super-2 number, since 2×5172160711205² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 517216071116 + ... + 517216071125.

It is an arithmetic number, because the mean of its divisors is an integer number (1551648213363).

Almost surely, 2^{5172160711205} is an apocalyptic number.

It is an amenable number.

5172160711205 is a deficient number, since it is larger than the sum of its proper divisors (1034432142247).

5172160711205 is a wasteful number, since it uses less digits than its factorization.

5172160711205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1034432142246.

The product of its (nonzero) digits is 29400, while the sum is 38.

The spelling of 5172160711205 in words is "five trillion, one hundred seventy-two billion, one hundred sixty million, seven hundred eleven thousand, two hundred five".