51230771051 has 2 divisors, whose sum is σ = 51230771052. Its totient is φ = 51230771050.

The previous prime is 51230771023. The next prime is 51230771099. The reversal of 51230771051 is 15017703215.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51230771051 - 2¹⁰ = 51230770027 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 51230770999 and 51230771017.

It is not a weakly prime, because it can be changed into another prime (51230771551) 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, 25615385525 + 25615385526.

It is an arithmetic number, because the mean of its divisors is an integer number (25615385526).

Almost surely, 2^51230771051 is an apocalyptic number.

51230771051 is a deficient number, since it is larger than the sum of its proper divisors (1).

51230771051 is an equidigital number, since it uses as much as digits as its factorization.

51230771051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7350, while the sum is 32.

The spelling of 51230771051 in words is "fifty-one billion, two hundred thirty million, seven hundred seventy-one thousand, fifty-one".