11009649688 has 32 divisors (see below), whose sum is σ = 21067938000. Its totient is φ = 5392199680.

The previous prime is 11009649661. The next prime is 11009649691. The reversal of 11009649688 is 88694690011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91128 + ... + 174136.

Almost surely, 2^11009649688 is an apocalyptic number.

It is an amenable number.

11009649688 is a deficient number, since it is larger than the sum of its proper divisors (10058288312).

11009649688 is a wasteful number, since it uses less digits than its factorization.

11009649688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83355 (or 83351 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 52.

The spelling of 11009649688 in words is "eleven billion, nine million, six hundred forty-nine thousand, six hundred eighty-eight".