11715388553688 has 16 divisors (see below), whose sum is σ = 29288471384280. Its totient is φ = 3905129517888.

The previous prime is 11715388553683. The next prime is 11715388553741. The reversal of 11715388553688 is 88635588351711.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11715388553681) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 244070594845 + ... + 244070594892.

Almost surely, 2^{11715388553688} is an apocalyptic number.

It is an amenable number.

11715388553688 is an abundant number, since it is smaller than the sum of its proper divisors (17573082830592).

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

11715388553688 is a wasteful number, since it uses less digits than its factorization.

11715388553688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488141189746 (or 488141189742 counting only the distinct ones).

The product of its digits is 193536000, while the sum is 69.

The spelling of 11715388553688 in words is "eleven trillion, seven hundred fifteen billion, three hundred eighty-eight million, five hundred fifty-three thousand, six hundred eighty-eight".