51337167680047 has 2 divisors, whose sum is σ = 51337167680048. Its totient is φ = 51337167680046.

The previous prime is 51337167679943. The next prime is 51337167680059. The reversal of 51337167680047 is 74008676173315.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51337167680047 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51337167679973 and 51337167680000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51337167680087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25668583840023 + 25668583840024.

It is an arithmetic number, because the mean of its divisors is an integer number (25668583840024).

Almost surely, 2^{51337167680047} is an apocalyptic number.

51337167680047 is a deficient number, since it is larger than the sum of its proper divisors (1).

51337167680047 is an equidigital number, since it uses as much as digits as its factorization.

51337167680047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17781120, while the sum is 58.

The spelling of 51337167680047 in words is "fifty-one trillion, three hundred thirty-seven billion, one hundred sixty-seven million, six hundred eighty thousand, forty-seven".