51159059971 has 2 divisors, whose sum is σ = 51159059972. Its totient is φ = 51159059970.

The previous prime is 51159059969. The next prime is 51159060019. The reversal of 51159059971 is 17995095115.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51159059971 - 2¹ = 51159059969 is a prime.

Together with 51159059969, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (51159059911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25579529985 + 25579529986.

It is an arithmetic number, because the mean of its divisors is an integer number (25579529986).

Almost surely, 2^51159059971 is an apocalyptic number.

51159059971 is a deficient number, since it is larger than the sum of its proper divisors (1).

51159059971 is an equidigital number, since it uses as much as digits as its factorization.

51159059971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 637875, while the sum is 52.

The spelling of 51159059971 in words is "fifty-one billion, one hundred fifty-nine million, fifty-nine thousand, nine hundred seventy-one".