11216441808 has 120 divisors (see below), whose sum is σ = 36878368800. Its totient is φ = 3137460480.

The previous prime is 11216441801. The next prime is 11216441827. The reversal of 11216441808 is 80814461211.

11216441808 is a `hidden beast` number, since 1 + 1 + 2 + 1 + 644 + 1 + 8 + 0 + 8 = 666.

It is a super-3 number, since 3×11216441808³ (a number of 31 digits) contains 333 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 (11216441801) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 251758 + ... + 292941.

It is an arithmetic number, because the mean of its divisors is an integer number (307319740).

Almost surely, 2^11216441808 is an apocalyptic number.

11216441808 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

11216441808 is an abundant number, since it is smaller than the sum of its proper divisors (25661926992).

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

11216441808 is a wasteful number, since it uses less digits than its factorization.

11216441808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544737 (or 544728 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 36.

The spelling of 11216441808 in words is "eleven billion, two hundred sixteen million, four hundred forty-one thousand, eight hundred eight".