11183118509688 has 128 divisors (see below), whose sum is σ = 28179994920000. Its totient is φ = 3698217492480.

The previous prime is 11183118509611. The next prime is 11183118509729. The reversal of 11183118509688 is 88690581138111.

It is a Cunningham number, because it is equal to 3344117²-1.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3223728018 + ... + 3223731486.

Almost surely, 2^{11183118509688} is an apocalyptic number.

It is an amenable number.

11183118509688 is an abundant number, since it is smaller than the sum of its proper divisors (16996876410312).

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

11183118509688 is a wasteful number, since it uses less digits than its factorization.

11183118509688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5665 (or 5661 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 60.

The spelling of 11183118509688 in words is "eleven trillion, one hundred eighty-three billion, one hundred eighteen million, five hundred nine thousand, six hundred eighty-eight".