11715404216 has 8 divisors (see below), whose sum is σ = 21966382920. Its totient is φ = 5857702104.

The previous prime is 11715404143. The next prime is 11715404221. The reversal of 11715404216 is 61240451711.

11715404216 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

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 as a sum of consecutive naturals, namely, 732212756 + ... + 732212771.

It is an arithmetic number, because the mean of its divisors is an integer number (2745797865).

Almost surely, 2^11715404216 is an apocalyptic number.

It is an amenable number.

11715404216 is a deficient number, since it is larger than the sum of its proper divisors (10250978704).

11715404216 is a wasteful number, since it uses less digits than its factorization.

11715404216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1464425533 (or 1464425529 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 32.

Adding to 11715404216 its reverse (61240451711), we get a palindrome (72955855927).

The spelling of 11715404216 in words is "eleven billion, seven hundred fifteen million, four hundred four thousand, two hundred sixteen".