1158533159 has 8 divisors (see below), whose sum is σ = 1359823008. Its totient is φ = 966189600.

The previous prime is 1158533111. The next prime is 1158533171. The reversal of 1158533159 is 9513358511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1158533159 - 2¹⁶ = 1158467623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1158530159) 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 in 7 ways as a sum of consecutive naturals, for example, 2236292 + ... + 2236809.

It is an arithmetic number, because the mean of its divisors is an integer number (169977876).

Almost surely, 2^1158533159 is an apocalyptic number.

1158533159 is a deficient number, since it is larger than the sum of its proper divisors (201289849).

1158533159 is an equidigital number, since it uses as much as digits as its factorization.

1158533159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4473145.

The product of its digits is 81000, while the sum is 41.

The square root of 1158533159 is about 34037.2319526721. The cubic root of 1158533159 is about 1050.2745038909.

It can be divided in two parts, 11585 and 33159, that added together give a palindrome (44744).

The spelling of 1158533159 in words is "one billion, one hundred fifty-eight million, five hundred thirty-three thousand, one hundred fifty-nine".