5121512515316 has 6 divisors (see below), whose sum is σ = 8962646901810. Its totient is φ = 2560756257656.

The previous prime is 5121512515313. The next prime is 5121512515351. The reversal of 5121512515316 is 6135152151215.

It can be written as a sum of positive squares in only one way, i.e., 4305749500900 + 815763014416 = 2075030^2 + 903196^2 .

It is a super-2 number, since 2×5121512515316² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5121512515316.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5121512515313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 640189064411 + ... + 640189064418.

It is an arithmetic number, because the mean of its divisors is an integer number (1493774483635).

Almost surely, 2^{5121512515316} is an apocalyptic number.

It is an amenable number.

5121512515316 is a deficient number, since it is larger than the sum of its proper divisors (3841134386494).

5121512515316 is a wasteful number, since it uses less digits than its factorization.

5121512515316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1280378128833 (or 1280378128831 counting only the distinct ones).

The product of its digits is 45000, while the sum is 38.

The spelling of 5121512515316 in words is "five trillion, one hundred twenty-one billion, five hundred twelve million, five hundred fifteen thousand, three hundred sixteen".