51086517142501 has 2 divisors, whose sum is σ = 51086517142502. Its totient is φ = 51086517142500.

The previous prime is 51086517142483. The next prime is 51086517142541. The reversal of 51086517142501 is 10524171568015.

51086517142501 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33487065813601 + 17599451328900 = 5786801^2 + 4195170^2 .

It is a cyclic number.

It is not a de Polignac number, because 51086517142501 - 2²⁵ = 51086483588069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51086517142541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25543258571250 + 25543258571251.

It is an arithmetic number, because the mean of its divisors is an integer number (25543258571251).

Almost surely, 2^{51086517142501} is an apocalyptic number.

It is an amenable number.

51086517142501 is a deficient number, since it is larger than the sum of its proper divisors (1).

51086517142501 is an equidigital number, since it uses as much as digits as its factorization.

51086517142501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336000, while the sum is 46.

The spelling of 51086517142501 in words is "fifty-one trillion, eighty-six billion, five hundred seventeen million, one hundred forty-two thousand, five hundred one".