11215448844 has 24 divisors (see below), whose sum is σ = 26171906880. Its totient is φ = 3738122064.

The previous prime is 11215448833. The next prime is 11215448861. The reversal of 11215448844 is 44884451211.

11215448844 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 11215448796 and 11215448805.

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 in 7 ways as a sum of consecutive naturals, for example, 104127 + ... + 182409.

It is an arithmetic number, because the mean of its divisors is an integer number (1090496120).

Almost surely, 2^11215448844 is an apocalyptic number.

It is an amenable number.

11215448844 is an abundant number, since it is smaller than the sum of its proper divisors (14956458036).

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

11215448844 is a wasteful number, since it uses less digits than its factorization.

11215448844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90229 (or 90227 counting only the distinct ones).

The product of its digits is 163840, while the sum is 42.

The spelling of 11215448844 in words is "eleven billion, two hundred fifteen million, four hundred forty-eight thousand, eight hundred forty-four".