159847111129 has 2 divisors, whose sum is σ = 159847111130. Its totient is φ = 159847111128.

The previous prime is 159847111043. The next prime is 159847111157. The reversal of 159847111129 is 921111748951.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 146046265600 + 13800845529 = 382160^2 + 117477^2 .

It is a cyclic number.

It is not a de Polignac number, because 159847111129 - 2¹⁵ = 159847078361 is a prime.

It is not a weakly prime, because it can be changed into another prime (159847111829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79923555564 + 79923555565.

It is an arithmetic number, because the mean of its divisors is an integer number (79923555565).

Almost surely, 2^159847111129 is an apocalyptic number.

It is an amenable number.

159847111129 is a deficient number, since it is larger than the sum of its proper divisors (1).

159847111129 is an equidigital number, since it uses as much as digits as its factorization.

159847111129 is an evil number, because the sum of its binary digits is even.

The product of its digits is 181440, while the sum is 49.

The spelling of 159847111129 in words is "one hundred fifty-nine billion, eight hundred forty-seven million, one hundred eleven thousand, one hundred twenty-nine".