11001660989 has 8 divisors (see below), whose sum is σ = 12002573280. Its totient is φ = 10000875600.

The previous prime is 11001660979. The next prime is 11001661003. The reversal of 11001660989 is 98906610011.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 11001660989 - 2⁴ = 11001660973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11001660979) 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, 304874 + ... + 339044.

It is an arithmetic number, because the mean of its divisors is an integer number (1500321660).

Almost surely, 2^11001660989 is an apocalyptic number.

It is an amenable number.

11001660989 is a deficient number, since it is larger than the sum of its proper divisors (1000912291).

11001660989 is a wasteful number, since it uses less digits than its factorization.

11001660989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63451.

The product of its (nonzero) digits is 23328, while the sum is 41.

The spelling of 11001660989 in words is "eleven billion, one million, six hundred sixty thousand, nine hundred eighty-nine".