51682068211 has 2 divisors, whose sum is σ = 51682068212. Its totient is φ = 51682068210.

The previous prime is 51682068199. The next prime is 51682068233. The reversal of 51682068211 is 11286028615.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51682068211 is a prime.

It is not a weakly prime, because it can be changed into another prime (51682008211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25841034105 + 25841034106.

It is an arithmetic number, because the mean of its divisors is an integer number (25841034106).

Almost surely, 2^51682068211 is an apocalyptic number.

51682068211 is a deficient number, since it is larger than the sum of its proper divisors (1).

51682068211 is an equidigital number, since it uses as much as digits as its factorization.

51682068211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46080, while the sum is 40.

The spelling of 51682068211 in words is "fifty-one billion, six hundred eighty-two million, sixty-eight thousand, two hundred eleven".