51005006500051 has 8 divisors (see below), whose sum is σ = 54026471293344. Its totient is φ = 47985893961600.

The previous prime is 51005006500039. The next prime is 51005006500117. The reversal of 51005006500051 is 15000560050015.

51005006500051 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 51005006500051 - 2²¹ = 51005004402899 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51005006499992 and 51005006500019.

It is not an unprimeable number, because it can be changed into a prime (51005906500051) 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 7 ways as a sum of consecutive naturals, for example, 588019060 + ... + 588105793.

It is an arithmetic number, because the mean of its divisors is an integer number (6753308911668).

Almost surely, 2^{51005006500051} is an apocalyptic number.

51005006500051 is a deficient number, since it is larger than the sum of its proper divisors (3021464793293).

51005006500051 is a wasteful number, since it uses less digits than its factorization.

51005006500051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1176127421.

The product of its (nonzero) digits is 3750, while the sum is 28.

Adding to 51005006500051 its reverse (15000560050015), we get a palindrome (66005566550066).

The spelling of 51005006500051 in words is "fifty-one trillion, five billion, six million, five hundred thousand, fifty-one".