1152985558 has 4 divisors (see below), whose sum is σ = 1729478340. Its totient is φ = 576492778.

The previous prime is 1152985523. The next prime is 1152985609. The reversal of 1152985558 is 8555892511.

It is a semiprime because it is the product of two primes.

It is a super-3 number, since 3×1152985558³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 288246388 + ... + 288246391.

It is an arithmetic number, because the mean of its divisors is an integer number (432369585).

Almost surely, 2^1152985558 is an apocalyptic number.

1152985558 is a deficient number, since it is larger than the sum of its proper divisors (576492782).

1152985558 is an equidigital number, since it uses as much as digits as its factorization.

1152985558 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576492781.

The product of its digits is 720000, while the sum is 49.

The square root of 1152985558 is about 33955.6410335602. The cubic root of 1152985558 is about 1048.5954183810.

The spelling of 1152985558 in words is "one billion, one hundred fifty-two million, nine hundred eighty-five thousand, five hundred fifty-eight".