11784501668 has 12 divisors (see below), whose sum is σ = 20780305392. Its totient is φ = 5847271560.

The previous prime is 11784501661. The next prime is 11784501679. The reversal of 11784501668 is 86610548711.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (11784501661) 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, 11244230 + ... + 11245277.

It is an arithmetic number, because the mean of its divisors is an integer number (1731692116).

Almost surely, 2^11784501668 is an apocalyptic number.

It is an amenable number.

11784501668 is a deficient number, since it is larger than the sum of its proper divisors (8995803724).

11784501668 is a wasteful number, since it uses less digits than its factorization.

11784501668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22489642 (or 22489640 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 47.

The spelling of 11784501668 in words is "eleven billion, seven hundred eighty-four million, five hundred one thousand, six hundred sixty-eight".