11155566716 has 48 divisors (see below), whose sum is σ = 22553051136. Its totient is φ = 4729342464.

The previous prime is 11155566707. The next prime is 11155566733. The reversal of 11155566716 is 61766555111.

It is a happy number.

11155566716 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1250825 + ... + 1259711.

It is an arithmetic number, because the mean of its divisors is an integer number (469855232).

Almost surely, 2^11155566716 is an apocalyptic number.

It is an amenable number.

11155566716 is an abundant number, since it is smaller than the sum of its proper divisors (11397484420).

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

11155566716 is a wasteful number, since it uses less digits than its factorization.

11155566716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9378 (or 9376 counting only the distinct ones).

The product of its digits is 189000, while the sum is 44.

The spelling of 11155566716 in words is "eleven billion, one hundred fifty-five million, five hundred sixty-six thousand, seven hundred sixteen".