11043765216 has 288 divisors, whose sum is σ = 37056434688. Its totient is φ = 3082014720.

The previous prime is 11043765211. The next prime is 11043765251. The reversal of 11043765216 is 61256734011.

11043765216 is a `hidden beast` number, since 1 + 1 + 0 + 437 + 6 + 5 + 216 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is a super-2 number, since 2×11043765216² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11043765211) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2529051 + ... + 2533413.

It is an arithmetic number, because the mean of its divisors is an integer number (128668176).

Almost surely, 2^11043765216 is an apocalyptic number.

11043765216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11043765216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18528217344).

11043765216 is an abundant number, since it is smaller than the sum of its proper divisors (26012669472).

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

11043765216 is a wasteful number, since it uses less digits than its factorization.

11043765216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4454 (or 4443 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The spelling of 11043765216 in words is "eleven billion, forty-three million, seven hundred sixty-five thousand, two hundred sixteen".