11684448611 has 12 divisors (see below), whose sum is σ = 12845935872. Its totient is φ = 10619994000.

The previous prime is 11684448599. The next prime is 11684448617.

11684448611 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 11684448611 - 2¹⁰ = 11684447587 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11684448617) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 915806 + ... + 928476.

It is an arithmetic number, because the mean of its divisors is an integer number (1070494656).

Almost surely, 2^11684448611 is an apocalyptic number.

11684448611 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11684448611 is a deficient number, since it is larger than the sum of its proper divisors (1161487261).

11684448611 is a wasteful number, since it uses less digits than its factorization.

11684448611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20314 (or 20303 counting only the distinct ones).

The product of its digits is 147456, while the sum is 44.

The spelling of 11684448611 in words is "eleven billion, six hundred eighty-four million, four hundred forty-eight thousand, six hundred eleven".