51812025522338 has 32 divisors (see below), whose sum is σ = 81996574497600. Its totient is φ = 24486140768256.

The previous prime is 51812025522331. The next prime is 51812025522409. The reversal of 51812025522338 is 83322552021815.

It is a happy number.

51812025522338 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 51812025522292 and 51812025522301.

It is not an unprimeable number, because it can be changed into a prime (51812025522331) 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 in 15 ways as a sum of consecutive naturals, for example, 51030578 + ... + 52035986.

It is an arithmetic number, because the mean of its divisors is an integer number (2562392953050).

Almost surely, 2^{51812025522338} is an apocalyptic number.

51812025522338 is a deficient number, since it is larger than the sum of its proper divisors (30184548975262).

51812025522338 is a wasteful number, since it uses less digits than its factorization.

51812025522338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1008546.

The product of its (nonzero) digits is 1152000, while the sum is 47.

The spelling of 51812025522338 in words is "fifty-one trillion, eight hundred twelve billion, twenty-five million, five hundred twenty-two thousand, three hundred thirty-eight".