51523425122 has 24 divisors (see below), whose sum is σ = 84516101460. Its totient is φ = 23544580800.

The previous prime is 51523425077. The next prime is 51523425133. The reversal of 51523425122 is 22152432515.

It can be written as a sum of positive squares in 6 ways, for example, as 4988738161 + 46534686961 = 70631^2 + 215719^2 .

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 720497 + ... + 788772.

Almost surely, 2^51523425122 is an apocalyptic number.

51523425122 is a deficient number, since it is larger than the sum of its proper divisors (32992676338).

51523425122 is a wasteful number, since it uses less digits than its factorization.

51523425122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1509398 (or 1509385 counting only the distinct ones).

The product of its digits is 24000, while the sum is 32.

Adding to 51523425122 its reverse (22152432515), we get a palindrome (73675857637).

The spelling of 51523425122 in words is "fifty-one billion, five hundred twenty-three million, four hundred twenty-five thousand, one hundred twenty-two".