1158238559 has 2 divisors, whose sum is σ = 1158238560. Its totient is φ = 1158238558.

The previous prime is 1158238517. The next prime is 1158238579. The reversal of 1158238559 is 9558328511.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1158238559 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1158238579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 579119279 + 579119280.

It is an arithmetic number, because the mean of its divisors is an integer number (579119280).

Almost surely, 2^1158238559 is an apocalyptic number.

1158238559 is a deficient number, since it is larger than the sum of its proper divisors (1).

1158238559 is an equidigital number, since it uses as much as digits as its factorization.

1158238559 is an evil number, because the sum of its binary digits is even.

The product of its digits is 432000, while the sum is 47.

The square root of 1158238559 is about 34032.9040635677. The cubic root of 1158238559 is about 1050.1854726027.

The spelling of 1158238559 in words is "one billion, one hundred fifty-eight million, two hundred thirty-eight thousand, five hundred fifty-nine".