51303665159 has 2 divisors, whose sum is σ = 51303665160. Its totient is φ = 51303665158.

The previous prime is 51303665141. The next prime is 51303665167. The reversal of 51303665159 is 95156630315.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51303665159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51303665759) 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 as a sum of consecutive naturals, namely, 25651832579 + 25651832580.

It is an arithmetic number, because the mean of its divisors is an integer number (25651832580).

Almost surely, 2^51303665159 is an apocalyptic number.

51303665159 is a deficient number, since it is larger than the sum of its proper divisors (1).

51303665159 is an equidigital number, since it uses as much as digits as its factorization.

51303665159 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 364500, while the sum is 44.

The spelling of 51303665159 in words is "fifty-one billion, three hundred three million, six hundred sixty-five thousand, one hundred fifty-nine".