51276566371 has 2 divisors, whose sum is σ = 51276566372. Its totient is φ = 51276566370.

The previous prime is 51276566351. The next prime is 51276566377. The reversal of 51276566371 is 17366567215.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51276566371 - 2¹¹ = 51276564323 is a prime.

It is not a weakly prime, because it can be changed into another prime (51276566377) 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, 25638283185 + 25638283186.

It is an arithmetic number, because the mean of its divisors is an integer number (25638283186).

Almost surely, 2^51276566371 is an apocalyptic number.

51276566371 is a deficient number, since it is larger than the sum of its proper divisors (1).

51276566371 is an equidigital number, since it uses as much as digits as its factorization.

51276566371 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1587600, while the sum is 49.

The spelling of 51276566371 in words is "fifty-one billion, two hundred seventy-six million, five hundred sixty-six thousand, three hundred seventy-one".