11115544416 has 48 divisors (see below), whose sum is σ = 29613818304. Its totient is φ = 3649878144.

The previous prime is 11115544387. The next prime is 11115544417. The reversal of 11115544416 is 61444551111.

It is a happy number.

11115544416 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 (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11115544417) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 857650 + ... + 870513.

It is an arithmetic number, because the mean of its divisors is an integer number (616954548).

Almost surely, 2^11115544416 is an apocalyptic number.

11115544416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11115544416 is an abundant number, since it is smaller than the sum of its proper divisors (18498273888).

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

11115544416 is a wasteful number, since it uses less digits than its factorization.

11115544416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1728243 (or 1728235 counting only the distinct ones).

The product of its digits is 9600, while the sum is 33.

The spelling of 11115544416 in words is "eleven billion, one hundred fifteen million, five hundred forty-four thousand, four hundred sixteen".