1158489113 has 2 divisors, whose sum is σ = 1158489114. Its totient is φ = 1158489112.

The previous prime is 1158489103. The next prime is 1158489149. The reversal of 1158489113 is 3119848511.

1158489113 = 24067² + 24068².

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., 579268624 + 579220489 = 24068^2 + 24067^2 .

It is a cyclic number.

It is not a de Polignac number, because 1158489113 - 2¹⁶ = 1158423577 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1158489103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 579244556 + 579244557.

It is an arithmetic number, because the mean of its divisors is an integer number (579244557).

Almost surely, 2^1158489113 is an apocalyptic number.

1158489113 is the 24068-th centered square number.

It is an amenable number.

1158489113 is a deficient number, since it is larger than the sum of its proper divisors (1).

1158489113 is an equidigital number, since it uses as much as digits as its factorization.

1158489113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34560, while the sum is 41.

The square root of 1158489113 is about 34036.5849197595. The cubic root of 1158489113 is about 1050.2611936757.

The spelling of 1158489113 in words is "one billion, one hundred fifty-eight million, four hundred eighty-nine thousand, one hundred thirteen".