11212541244 has 36 divisors (see below), whose sum is σ = 28379549016. Its totient is φ = 3732669408.

The previous prime is 11212541227. The next prime is 11212541281. The reversal of 11212541244 is 44214521211.

11212541244 is a `hidden beast` number, since 112 + 1 + 2 + 541 + 2 + 4 + 4 = 666.

11212541244 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 (36).

It is a super-2 number, since 2×11212541244² (a number of 21 digits) contains 22 as substring.

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 in 11 ways as a sum of consecutive naturals, for example, 173634 + ... + 229289.

It is an arithmetic number, because the mean of its divisors is an integer number (788320806).

Almost surely, 2^11212541244 is an apocalyptic number.

It is an amenable number.

11212541244 is an abundant number, since it is smaller than the sum of its proper divisors (17167007772).

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

11212541244 is a wasteful number, since it uses less digits than its factorization.

11212541244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403706 (or 403701 counting only the distinct ones).

The product of its digits is 2560, while the sum is 27.

The spelling of 11212541244 in words is "eleven billion, two hundred twelve million, five hundred forty-one thousand, two hundred forty-four".