11784355616 has 24 divisors (see below), whose sum is σ = 25309582704. Its totient is φ = 5356525120.

The previous prime is 11784355607. The next prime is 11784355633. The reversal of 11784355616 is 61655348711.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16738790 + ... + 16739493.

It is an arithmetic number, because the mean of its divisors is an integer number (1054565946).

Almost surely, 2^11784355616 is an apocalyptic number.

11784355616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11784355616 is an abundant number, since it is smaller than the sum of its proper divisors (13525227088).

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

11784355616 is a wasteful number, since it uses less digits than its factorization.

11784355616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33478304 (or 33478296 counting only the distinct ones).

The product of its digits is 604800, while the sum is 47.

The spelling of 11784355616 in words is "eleven billion, seven hundred eighty-four million, three hundred fifty-five thousand, six hundred sixteen".