516665315314125 has 48 divisors (see below), whose sum is σ = 931378232740800. Its totient is φ = 275553979509600.

The previous prime is 516665315314087. The next prime is 516665315314129. The reversal of 516665315314125 is 521413513566615.

It is not a de Polignac number, because 516665315314125 - 2¹⁴ = 516665315297741 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (516665315314129) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 552919554 + ... + 553853196.

It is an arithmetic number, because the mean of its divisors is an integer number (19403713182100).

Almost surely, 2^{516665315314125} is an apocalyptic number.

It is an amenable number.

516665315314125 is a deficient number, since it is larger than the sum of its proper divisors (414712917426675).

516665315314125 is a wasteful number, since it uses less digits than its factorization.

516665315314125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1425563 (or 1425550 counting only the distinct ones).

The product of its digits is 9720000, while the sum is 54.

The spelling of 516665315314125 in words is "five hundred sixteen trillion, six hundred sixty-five billion, three hundred fifteen million, three hundred fourteen thousand, one hundred twenty-five".