51271066768263 has 8 divisors (see below), whose sum is σ = 69482101412976. Its totient is φ = 33620371651200.

The previous prime is 51271066768261. The next prime is 51271066768283. The reversal of 51271066768263 is 36286766017215.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 51271066768263 - 2¹ = 51271066768261 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51271066768197 and 51271066768206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51271066768261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140084881698 + ... + 140084882063.

It is an arithmetic number, because the mean of its divisors is an integer number (8685262676622).

Almost surely, 2^{51271066768263} is an apocalyptic number.

51271066768263 is a deficient number, since it is larger than the sum of its proper divisors (18211034644713).

51271066768263 is a wasteful number, since it uses less digits than its factorization.

51271066768263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280169763825.

The product of its (nonzero) digits is 30481920, while the sum is 60.

The spelling of 51271066768263 in words is "fifty-one trillion, two hundred seventy-one billion, sixty-six million, seven hundred sixty-eight thousand, two hundred sixty-three".