159261087091 has 2 divisors, whose sum is σ = 159261087092. Its totient is φ = 159261087090.

The previous prime is 159261087079. The next prime is 159261087103. The reversal of 159261087091 is 190780162951.

159261087091 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (159261087079) and next prime (159261087103).

It is a cyclic number.

It is not a de Polignac number, because 159261087091 - 2¹⁹ = 159260562803 is a prime.

It is a super-2 number, since 2×159261087091² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (159261087061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79630543545 + 79630543546.

It is an arithmetic number, because the mean of its divisors is an integer number (79630543546).

Almost surely, 2^159261087091 is an apocalyptic number.

159261087091 is a deficient number, since it is larger than the sum of its proper divisors (1).

159261087091 is an equidigital number, since it uses as much as digits as its factorization.

159261087091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 272160, while the sum is 49.

The spelling of 159261087091 in words is "one hundred fifty-nine billion, two hundred sixty-one million, eighty-seven thousand, ninety-one".