51711127667 has 2 divisors, whose sum is σ = 51711127668. Its totient is φ = 51711127666.

The previous prime is 51711127661. The next prime is 51711127693. The reversal of 51711127667 is 76672111715.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51711127667 - 2²² = 51706933363 is a prime.

It is not a weakly prime, because it can be changed into another prime (51711127661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25855563833 + 25855563834.

It is an arithmetic number, because the mean of its divisors is an integer number (25855563834).

Almost surely, 2^51711127667 is an apocalyptic number.

51711127667 is a deficient number, since it is larger than the sum of its proper divisors (1).

51711127667 is an equidigital number, since it uses as much as digits as its factorization.

51711127667 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 123480, while the sum is 44.

The spelling of 51711127667 in words is "fifty-one billion, seven hundred eleven million, one hundred twenty-seven thousand, six hundred sixty-seven".