51234210320051 has 16 divisors (see below), whose sum is σ = 57192877260288. Its totient is φ = 45492424101600.

The previous prime is 51234210320039. The next prime is 51234210320053. The reversal of 51234210320051 is 15002301243215.

51234210320051 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-51234210320051 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51234210319996 and 51234210320023.

It is not an unprimeable number, because it can be changed into a prime (51234210320053) 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, 21911606 + ... + 24136836.

It is an arithmetic number, because the mean of its divisors is an integer number (3574554828768).

Almost surely, 2^{51234210320051} is an apocalyptic number.

51234210320051 is a deficient number, since it is larger than the sum of its proper divisors (5958666940237).

51234210320051 is a wasteful number, since it uses less digits than its factorization.

51234210320051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2273962.

The product of its (nonzero) digits is 7200, while the sum is 29.

Adding to 51234210320051 its reverse (15002301243215), we get a palindrome (66236511563266).

The spelling of 51234210320051 in words is "fifty-one trillion, two hundred thirty-four billion, two hundred ten million, three hundred twenty thousand, fifty-one".