1158813908 has 24 divisors (see below), whose sum is σ = 2453959872. Its totient is φ = 467420544.

The previous prime is 1158813893. The next prime is 1158813917. The reversal of 1158813908 is 8093188511.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1216766 + ... + 1217717.

It is an arithmetic number, because the mean of its divisors is an integer number (102248328).

Almost surely, 2^1158813908 is an apocalyptic number.

It is an amenable number.

1158813908 is an abundant number, since it is smaller than the sum of its proper divisors (1295145964).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1158813908 is a wasteful number, since it uses less digits than its factorization.

1158813908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2434511 (or 2434509 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 44.

The square root of 1158813908 is about 34041.3558484382. The cubic root of 1158813908 is about 1050.3593352139.

The spelling of 1158813908 in words is "one billion, one hundred fifty-eight million, eight hundred thirteen thousand, nine hundred eight".