51151011239 has 2 divisors, whose sum is σ = 51151011240. Its totient is φ = 51151011238.

The previous prime is 51151011151. The next prime is 51151011257. The reversal of 51151011239 is 93211015115.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51151011239 - 2²⁰ = 51149962663 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51151011259) 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, 25575505619 + 25575505620.

It is an arithmetic number, because the mean of its divisors is an integer number (25575505620).

Almost surely, 2^51151011239 is an apocalyptic number.

51151011239 is a deficient number, since it is larger than the sum of its proper divisors (1).

51151011239 is an equidigital number, since it uses as much as digits as its factorization.

51151011239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1350, while the sum is 29.

The spelling of 51151011239 in words is "fifty-one billion, one hundred fifty-one million, eleven thousand, two hundred thirty-nine".