159011609 has 2 divisors, whose sum is σ = 159011610. Its totient is φ = 159011608.

The previous prime is 159011579. The next prime is 159011647. The reversal of 159011609 is 906110951.

It is a happy number.

159011609 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., 121066009 + 37945600 = 11003^2 + 6160^2 .

It is an emirp because it is prime and its reverse (906110951) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-159011609 is a prime.

It is not a weakly prime, because it can be changed into another prime (159010609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79505804 + 79505805.

It is an arithmetic number, because the mean of its divisors is an integer number (79505805).

Almost surely, 2^159011609 is an apocalyptic number.

It is an amenable number.

159011609 is a deficient number, since it is larger than the sum of its proper divisors (1).

159011609 is an equidigital number, since it uses as much as digits as its factorization.

159011609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2430, while the sum is 32.

The square root of 159011609 is about 12609.9805313093. The cubic root of 159011609 is about 541.7633360354.

The spelling of 159011609 in words is "one hundred fifty-nine million, eleven thousand, six hundred nine".