1159090913 has 2 divisors, whose sum is σ = 1159090914. Its totient is φ = 1159090912.

The previous prime is 1159090909. The next prime is 1159090963. The reversal of 1159090913 is 3190909511.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 809288704 + 349802209 = 28448^2 + 18703^2 .

It is a cyclic number.

It is not a de Polignac number, because 1159090913 - 2² = 1159090909 is a prime.

It is not a weakly prime, because it can be changed into another prime (1159090903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 579545456 + 579545457.

It is an arithmetic number, because the mean of its divisors is an integer number (579545457).

Almost surely, 2^1159090913 is an apocalyptic number.

It is an amenable number.

1159090913 is a deficient number, since it is larger than the sum of its proper divisors (1).

1159090913 is an equidigital number, since it uses as much as digits as its factorization.

1159090913 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10935, while the sum is 38.

The square root of 1159090913 is about 34045.4242593627. The cubic root of 1159090913 is about 1050.4430218194.

The spelling of 1159090913 in words is "one billion, one hundred fifty-nine million, ninety thousand, nine hundred thirteen".