11421202412444 has 48 divisors (see below), whose sum is σ = 22083474739200. Its totient is φ = 5124961108800.

The previous prime is 11421202412437. The next prime is 11421202412449. The reversal of 11421202412444 is 44421420212411.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 11421202412444.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11421202412449) 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 15 ways as a sum of consecutive naturals, for example, 22906997 + ... + 23400275.

It is an arithmetic number, because the mean of its divisors is an integer number (460072390400).

Almost surely, 2^{11421202412444} is an apocalyptic number.

It is an amenable number.

11421202412444 is a deficient number, since it is larger than the sum of its proper divisors (10662272326756).

11421202412444 is a wasteful number, since it uses less digits than its factorization.

11421202412444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500034 (or 500032 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 32.

Adding to 11421202412444 its reverse (44421420212411), we get a palindrome (55842622624855).

The spelling of 11421202412444 in words is "eleven trillion, four hundred twenty-one billion, two hundred two million, four hundred twelve thousand, four hundred forty-four".