11711538808 has 32 divisors (see below), whose sum is σ = 22504230000. Its totient is φ = 5710531840.

The previous prime is 11711538749. The next prime is 11711538809. The reversal of 11711538808 is 80883511711.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11711538809) 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, 957918 + ... + 970066.

Almost surely, 2^11711538808 is an apocalyptic number.

It is an amenable number.

11711538808 is a deficient number, since it is larger than the sum of its proper divisors (10792691192).

11711538808 is a wasteful number, since it uses less digits than its factorization.

11711538808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15135 (or 15131 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 43.

The spelling of 11711538808 in words is "eleven billion, seven hundred eleven million, five hundred thirty-eight thousand, eight hundred eight".