51206540056234 has 16 divisors (see below), whose sum is σ = 76888444696488. Its totient is φ = 25577059557312.

The previous prime is 51206540056223. The next prime is 51206540056249. The reversal of 51206540056234 is 43265004560215.

51206540056234 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 50533971125625 + 672568930609 = 7108725^2 + 820103^2 .

It is an unprimeable number.

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, 106744764 + ... + 107223400.

Almost surely, 2^{51206540056234} is an apocalyptic number.

51206540056234 is a deficient number, since it is larger than the sum of its proper divisors (25681904640254).

51206540056234 is a wasteful number, since it uses less digits than its factorization.

51206540056234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533289.

The product of its (nonzero) digits is 864000, while the sum is 43.

The spelling of 51206540056234 in words is "fifty-one trillion, two hundred six billion, five hundred forty million, fifty-six thousand, two hundred thirty-four".