5181222012937 has 2 divisors, whose sum is σ = 5181222012938. Its totient is φ = 5181222012936.

The previous prime is 5181222012931. The next prime is 5181222012991. The reversal of 5181222012937 is 7392102221815.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4522869903616 + 658352109321 = 2126704^2 + 811389^2 .

It is a cyclic number.

It is not a de Polignac number, because 5181222012937 - 2¹⁹ = 5181221488649 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5181222012893 and 5181222012902.

It is not a weakly prime, because it can be changed into another prime (5181222012931) 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 as a sum of consecutive naturals, namely, 2590611006468 + 2590611006469.

It is an arithmetic number, because the mean of its divisors is an integer number (2590611006469).

Almost surely, 2^{5181222012937} is an apocalyptic number.

It is an amenable number.

5181222012937 is a deficient number, since it is larger than the sum of its proper divisors (1).

5181222012937 is an equidigital number, since it uses as much as digits as its factorization.

5181222012937 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120960, while the sum is 43.

The spelling of 5181222012937 in words is "five trillion, one hundred eighty-one billion, two hundred twenty-two million, twelve thousand, nine hundred thirty-seven".