51206610234103 has 2 divisors, whose sum is σ = 51206610234104. Its totient is φ = 51206610234102.

The previous prime is 51206610234049. The next prime is 51206610234133. The reversal of 51206610234103 is 30143201660215.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51206610234103 - 2¹⁷ = 51206610103031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51206610234133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25603305117051 + 25603305117052.

It is an arithmetic number, because the mean of its divisors is an integer number (25603305117052).

Almost surely, 2^{51206610234103} is an apocalyptic number.

51206610234103 is a deficient number, since it is larger than the sum of its proper divisors (1).

51206610234103 is an equidigital number, since it uses as much as digits as its factorization.

51206610234103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 34.

Adding to 51206610234103 its reverse (30143201660215), we get a palindrome (81349811894318).

The spelling of 51206610234103 in words is "fifty-one trillion, two hundred six billion, six hundred ten million, two hundred thirty-four thousand, one hundred three".