51631414522123 has 2 divisors, whose sum is σ = 51631414522124. Its totient is φ = 51631414522122.

The previous prime is 51631414522109. The next prime is 51631414522183. The reversal of 51631414522123 is 32122541413615.

51631414522123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51631414522123 is a prime.

It is not a weakly prime, because it can be changed into another prime (51631414522183) 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, 25815707261061 + 25815707261062.

It is an arithmetic number, because the mean of its divisors is an integer number (25815707261062).

Almost surely, 2^{51631414522123} is an apocalyptic number.

51631414522123 is a deficient number, since it is larger than the sum of its proper divisors (1).

51631414522123 is an equidigital number, since it uses as much as digits as its factorization.

51631414522123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 172800, while the sum is 40.

Adding to 51631414522123 its reverse (32122541413615), we get a palindrome (83753955935738).

The spelling of 51631414522123 in words is "fifty-one trillion, six hundred thirty-one billion, four hundred fourteen million, five hundred twenty-two thousand, one hundred twenty-three".