5172155117005 has 48 divisors (see below), whose sum is σ = 6659547315120. Its totient is φ = 3853663616000.

The previous prime is 5172155116993. The next prime is 5172155117081. The reversal of 5172155117005 is 5007115512715.

It can be written as a sum of positive squares in 8 ways, for example, as 78981795369 + 5093173321636 = 281037^2 + 2256806^2 .

It is not a de Polignac number, because 5172155117005 - 2¹⁵ = 5172155084237 is a prime.

It is a super-2 number, since 2×5172155117005² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 55151655 + ... + 55245355.

It is an arithmetic number, because the mean of its divisors is an integer number (138740569065).

Almost surely, 2^{5172155117005} is an apocalyptic number.

It is an amenable number.

5172155117005 is a deficient number, since it is larger than the sum of its proper divisors (1487392198115).

5172155117005 is a wasteful number, since it uses less digits than its factorization.

5172155117005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94302 (or 94279 counting only the distinct ones).

The product of its (nonzero) digits is 61250, while the sum is 40.

The spelling of 5172155117005 in words is "five trillion, one hundred seventy-two billion, one hundred fifty-five million, one hundred seventeen thousand, five".