51050515051 has 2 divisors, whose sum is σ = 51050515052. Its totient is φ = 51050515050.

The previous prime is 51050515049. The next prime is 51050515063. The reversal of 51050515051 is 15051505015.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51050515051 - 2¹ = 51050515049 is a prime.

Together with 51050515049, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (51000515051) 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, 25525257525 + 25525257526.

It is an arithmetic number, because the mean of its divisors is an integer number (25525257526).

Almost surely, 2^51050515051 is an apocalyptic number.

51050515051 is a deficient number, since it is larger than the sum of its proper divisors (1).

51050515051 is an equidigital number, since it uses as much as digits as its factorization.

51050515051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3125, while the sum is 28.

The spelling of 51050515051 in words is "fifty-one billion, fifty million, five hundred fifteen thousand, fifty-one".