1159065617 has 2 divisors, whose sum is σ = 1159065618. Its totient is φ = 1159065616.

The previous prime is 1159065587. The next prime is 1159065619. The reversal of 1159065617 is 7165609511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 797723536 + 361342081 = 28244^2 + 19009^2 .

It is a cyclic number.

It is not a de Polignac number, because 1159065617 - 2¹² = 1159061521 is a prime.

Together with 1159065619, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1159065619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 579532808 + 579532809.

It is an arithmetic number, because the mean of its divisors is an integer number (579532809).

Almost surely, 2^1159065617 is an apocalyptic number.

It is an amenable number.

1159065617 is a deficient number, since it is larger than the sum of its proper divisors (1).

1159065617 is an equidigital number, since it uses as much as digits as its factorization.

1159065617 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56700, while the sum is 41.

The square root of 1159065617 is about 34045.0527536675. The cubic root of 1159065617 is about 1050.4353801410.

The spelling of 1159065617 in words is "one billion, one hundred fifty-nine million, sixty-five thousand, six hundred seventeen".