159863615701117 has 2 divisors, whose sum is σ = 159863615701118. Its totient is φ = 159863615701116.

The previous prime is 159863615701091. The next prime is 159863615701171. The reversal of 159863615701117 is 711107516368951.

It is a happy number.

Together with next prime (159863615701171) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 154832952489721 + 5030663211396 = 12443189^2 + 2242914^2 .

It is a cyclic number.

It is not a de Polignac number, because 159863615701117 - 2³⁵ = 159829255962749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (159863615701817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79931807850558 + 79931807850559.

It is an arithmetic number, because the mean of its divisors is an integer number (79931807850559).

Almost surely, 2^{159863615701117} is an apocalyptic number.

It is an amenable number.

159863615701117 is a deficient number, since it is larger than the sum of its proper divisors (1).

159863615701117 is an equidigital number, since it uses as much as digits as its factorization.

159863615701117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9525600, while the sum is 61.

The spelling of 159863615701117 in words is "one hundred fifty-nine trillion, eight hundred sixty-three billion, six hundred fifteen million, seven hundred one thousand, one hundred seventeen".