5133612726818 has 16 divisors (see below), whose sum is σ = 7927323700344. Its totient is φ = 2491501057920.

The previous prime is 5133612726817. The next prime is 5133612726821. The reversal of 5133612726818 is 8186272163315.

It can be written as a sum of positive squares in 4 ways, for example, as 3100744157449 + 2032868569369 = 1760893^2 + 1425787^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 5133612726818.

It is not an unprimeable number, because it can be changed into a prime (5133612726817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82359755 + ... + 82422062.

Almost surely, 2^{5133612726818} is an apocalyptic number.

5133612726818 is a deficient number, since it is larger than the sum of its proper divisors (2793710973526).

5133612726818 is a wasteful number, since it uses less digits than its factorization.

5133612726818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164782277.

The product of its digits is 2903040, while the sum is 53.

The spelling of 5133612726818 in words is "five trillion, one hundred thirty-three billion, six hundred twelve million, seven hundred twenty-six thousand, eight hundred eighteen".