11908873009 has 8 divisors (see below), whose sum is σ = 12993438528. Its totient is φ = 10824630960.

The previous prime is 11908872979. The next prime is 11908873037. The reversal of 11908873009 is 90037880911.

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

It is not a de Polignac number, because 11908873009 - 2³¹ = 9761389361 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11908873009.

It is not an unprimeable number, because it can be changed into a prime (11908873069) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 397 + ... + 154330.

It is an arithmetic number, because the mean of its divisors is an integer number (1624179816).

Almost surely, 2^11908873009 is an apocalyptic number.

It is an amenable number.

11908873009 is a deficient number, since it is larger than the sum of its proper divisors (1084565519).

11908873009 is a wasteful number, since it uses less digits than its factorization.

11908873009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161735.

The product of its (nonzero) digits is 108864, while the sum is 46.

The spelling of 11908873009 in words is "eleven billion, nine hundred eight million, eight hundred seventy-three thousand, nine".