51086577322073 has 2 divisors, whose sum is σ = 51086577322074. Its totient is φ = 51086577322072.

The previous prime is 51086577321977. The next prime is 51086577322129. The reversal of 51086577322073 is 37022377568015.

It is an a-pointer prime, because the next prime (51086577322129) can be obtained adding 51086577322073 to its sum of digits (56).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45341409361609 + 5745167960464 = 6733603^2 + 2396908^2 .

It is a cyclic number.

It is not a de Polignac number, because 51086577322073 - 2²⁶ = 51086510213209 is a prime.

It is not a weakly prime, because it can be changed into another prime (51086577322873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25543288661036 + 25543288661037.

It is an arithmetic number, because the mean of its divisors is an integer number (25543288661037).

Almost surely, 2^{51086577322073} is an apocalyptic number.

It is an amenable number.

51086577322073 is a deficient number, since it is larger than the sum of its proper divisors (1).

51086577322073 is an equidigital number, since it uses as much as digits as its factorization.

51086577322073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14817600, while the sum is 56.

The spelling of 51086577322073 in words is "fifty-one trillion, eighty-six billion, five hundred seventy-seven million, three hundred twenty-two thousand, seventy-three".