1158441233 has 2 divisors, whose sum is σ = 1158441234. Its totient is φ = 1158441232.

The previous prime is 1158441211. The next prime is 1158441239. The reversal of 1158441233 is 3321448511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1012321489 + 146119744 = 31817^2 + 12088^2 .

It is a cyclic number.

It is not a de Polignac number, because 1158441233 - 2²⁶ = 1091332369 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1158441233.

It is not a weakly prime, because it can be changed into another prime (1158441239) 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, 579220616 + 579220617.

It is an arithmetic number, because the mean of its divisors is an integer number (579220617).

Almost surely, 2^1158441233 is an apocalyptic number.

It is an amenable number.

1158441233 is a deficient number, since it is larger than the sum of its proper divisors (1).

1158441233 is an equidigital number, since it uses as much as digits as its factorization.

1158441233 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11520, while the sum is 32.

The square root of 1158441233 is about 34035.8815516801. The cubic root of 1158441233 is about 1050.2467244853.

Adding to 1158441233 its reverse (3321448511), we get a palindrome (4479889744).

The spelling of 1158441233 in words is "one billion, one hundred fifty-eight million, four hundred forty-one thousand, two hundred thirty-three".