1158928089 has 8 divisors (see below), whose sum is σ = 1685713632. Its totient is φ = 702380640.

The previous prime is 1158928079. The next prime is 1158928093. The reversal of 1158928089 is 9808298511.

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

It is not a de Polignac number, because 1158928089 - 2¹² = 1158923993 is a prime.

It is a super-2 number, since 2×1158928089² = 2686228630946383842, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1158928039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17559484 + ... + 17559549.

It is an arithmetic number, because the mean of its divisors is an integer number (210714204).

Almost surely, 2^1158928089 is an apocalyptic number.

It is an amenable number.

1158928089 is a deficient number, since it is larger than the sum of its proper divisors (526785543).

1158928089 is a wasteful number, since it uses less digits than its factorization.

1158928089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35119047.

The product of its (nonzero) digits is 414720, while the sum is 51.

The square root of 1158928089 is about 34043.0328995523. The cubic root of 1158928089 is about 1050.3938323089.

The spelling of 1158928089 in words is "one billion, one hundred fifty-eight million, nine hundred twenty-eight thousand, eighty-nine".