50630561251 has 2 divisors, whose sum is σ = 50630561252. Its totient is φ = 50630561250.

The previous prime is 50630561249. The next prime is 50630561257. The reversal of 50630561251 is 15216503605.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 50630561251 - 2¹ = 50630561249 is a prime.

Together with 50630561249, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (50630561257) 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, 25315280625 + 25315280626.

It is an arithmetic number, because the mean of its divisors is an integer number (25315280626).

Almost surely, 2^50630561251 is an apocalyptic number.

50630561251 is a deficient number, since it is larger than the sum of its proper divisors (1).

50630561251 is an equidigital number, since it uses as much as digits as its factorization.

50630561251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27000, while the sum is 34.

The spelling of 50630561251 in words is "fifty billion, six hundred thirty million, five hundred sixty-one thousand, two hundred fifty-one".