51411827802163 has 2 divisors, whose sum is σ = 51411827802164. Its totient is φ = 51411827802162.

The previous prime is 51411827802157. The next prime is 51411827802173. The reversal of 51411827802163 is 36120872811415.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51411827802163 is a prime.

It is not a weakly prime, because it can be changed into another prime (51411827802133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25705913901081 + 25705913901082.

It is an arithmetic number, because the mean of its divisors is an integer number (25705913901082).

Almost surely, 2^{51411827802163} is an apocalyptic number.

51411827802163 is a deficient number, since it is larger than the sum of its proper divisors (1).

51411827802163 is an equidigital number, since it uses as much as digits as its factorization.

51411827802163 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 645120, while the sum is 49.

The spelling of 51411827802163 in words is "fifty-one trillion, four hundred eleven billion, eight hundred twenty-seven million, eight hundred two thousand, one hundred sixty-three".