51276566351 has 2 divisors, whose sum is σ = 51276566352. Its totient is φ = 51276566350.

The previous prime is 51276566333. The next prime is 51276566371. The reversal of 51276566351 is 15366567215.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51276566351 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51276566296 and 51276566305.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51276566371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25638283175 + 25638283176.

It is an arithmetic number, because the mean of its divisors is an integer number (25638283176).

Almost surely, 2^51276566351 is an apocalyptic number.

51276566351 is a deficient number, since it is larger than the sum of its proper divisors (1).

51276566351 is an equidigital number, since it uses as much as digits as its factorization.

51276566351 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1134000, while the sum is 47.

The spelling of 51276566351 in words is "fifty-one billion, two hundred seventy-six million, five hundred sixty-six thousand, three hundred fifty-one".