51320063227 has 2 divisors, whose sum is σ = 51320063228. Its totient is φ = 51320063226.

The previous prime is 51320063203. The next prime is 51320063281. The reversal of 51320063227 is 72236002315.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51320063227 - 2¹¹ = 51320061179 is a prime.

It is not a weakly prime, because it can be changed into another prime (51320063827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25660031613 + 25660031614.

It is an arithmetic number, because the mean of its divisors is an integer number (25660031614).

Almost surely, 2^51320063227 is an apocalyptic number.

51320063227 is a deficient number, since it is larger than the sum of its proper divisors (1).

51320063227 is an equidigital number, since it uses as much as digits as its factorization.

51320063227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 31.

The spelling of 51320063227 in words is "fifty-one billion, three hundred twenty million, sixty-three thousand, two hundred twenty-seven".