1158492499 has 2 divisors, whose sum is σ = 1158492500. Its totient is φ = 1158492498.

The previous prime is 1158492463. The next prime is 1158492571. The reversal of 1158492499 is 9942948511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1158492499 - 2⁹ = 1158491987 is a prime.

It is not a weakly prime, because it can be changed into another prime (1158492409) 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, 579246249 + 579246250.

It is an arithmetic number, because the mean of its divisors is an integer number (579246250).

Almost surely, 2^1158492499 is an apocalyptic number.

1158492499 is a deficient number, since it is larger than the sum of its proper divisors (1).

1158492499 is an equidigital number, since it uses as much as digits as its factorization.

1158492499 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 933120, while the sum is 52.

The square root of 1158492499 is about 34036.6346603186. The cubic root of 1158492499 is about 1050.2622168995.

The spelling of 1158492499 in words is "one billion, one hundred fifty-eight million, four hundred ninety-two thousand, four hundred ninety-nine".