51207755671 has 2 divisors, whose sum is σ = 51207755672. Its totient is φ = 51207755670.

The previous prime is 51207755663. The next prime is 51207755723. The reversal of 51207755671 is 17655770215.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51207755671 - 2³ = 51207755663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51207755771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25603877835 + 25603877836.

It is an arithmetic number, because the mean of its divisors is an integer number (25603877836).

Almost surely, 2^51207755671 is an apocalyptic number.

51207755671 is a deficient number, since it is larger than the sum of its proper divisors (1).

51207755671 is an equidigital number, since it uses as much as digits as its factorization.

51207755671 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 514500, while the sum is 46.

The spelling of 51207755671 in words is "fifty-one billion, two hundred seven million, seven hundred fifty-five thousand, six hundred seventy-one".