1159491158017 has 4 divisors (see below), whose sum is σ = 1166193419220. Its totient is φ = 1152788896816.

The previous prime is 1159491158009. The next prime is 1159491158047. The reversal of 1159491158017 is 7108511949511.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 814973812081 + 344517345936 = 902759^2 + 586956^2 .

It is a cyclic number.

It is not a de Polignac number, because 1159491158017 - 2³ = 1159491158009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1159491158047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3351130342 + ... + 3351130687.

It is an arithmetic number, because the mean of its divisors is an integer number (291548354805).

Almost surely, 2^{1159491158017} is an apocalyptic number.

It is an amenable number.

1159491158017 is a deficient number, since it is larger than the sum of its proper divisors (6702261203).

1159491158017 is an equidigital number, since it uses as much as digits as its factorization.

1159491158017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6702261202.

The product of its (nonzero) digits is 453600, while the sum is 52.

The spelling of 1159491158017 in words is "one trillion, one hundred fifty-nine billion, four hundred ninety-one million, one hundred fifty-eight thousand, seventeen".