1009999582508 has 12 divisors (see below), whose sum is σ = 2019999165072. Its totient is φ = 432856963920.

The previous prime is 1009999582477. The next prime is 1009999582511. The reversal of 1009999582508 is 8052859999001.

1009999582508 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18035706803 + ... + 18035706858.

It is an arithmetic number, because the mean of its divisors is an integer number (168333263756).

Almost surely, 2^{1009999582508} is an apocalyptic number.

It is an amenable number.

1009999582508 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1009999582508 is a wasteful number, since it uses less digits than its factorization.

1009999582508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36071413672 (or 36071413670 counting only the distinct ones).

The product of its (nonzero) digits is 20995200, while the sum is 65.

The spelling of 1009999582508 in words is "one trillion, nine billion, nine hundred ninety-nine million, five hundred eighty-two thousand, five hundred eight".