11945228244 has 12 divisors (see below), whose sum is σ = 27872199264. Its totient is φ = 3981742744.

The previous prime is 11945228219. The next prime is 11945228249. The reversal of 11945228244 is 44282254911.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×11945228244³ (a number of 31 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11945228196 and 11945228205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11945228249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 497717832 + ... + 497717855.

It is an arithmetic number, because the mean of its divisors is an integer number (2322683272).

Almost surely, 2^11945228244 is an apocalyptic number.

It is an amenable number.

11945228244 is an abundant number, since it is smaller than the sum of its proper divisors (15926971020).

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

11945228244 is a wasteful number, since it uses less digits than its factorization.

11945228244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 995435694 (or 995435692 counting only the distinct ones).

The product of its digits is 184320, while the sum is 42.

It can be divided in two parts, 119452 and 28244, that added together give a triangular number (147696 = T₅₄₃).

The spelling of 11945228244 in words is "eleven billion, nine hundred forty-five million, two hundred twenty-eight thousand, two hundred forty-four".