11541243444 has 12 divisors (see below), whose sum is σ = 26929568064. Its totient is φ = 3847081144.

The previous prime is 11541243409. The next prime is 11541243529. The reversal of 11541243444 is 44434214511.

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

It is a super-2 number, since 2×11541243444² (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 (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 480885132 + ... + 480885155.

It is an arithmetic number, because the mean of its divisors is an integer number (2244130672).

Almost surely, 2^11541243444 is an apocalyptic number.

It is an amenable number.

11541243444 is an abundant number, since it is smaller than the sum of its proper divisors (15388324620).

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

11541243444 is a wasteful number, since it uses less digits than its factorization.

11541243444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 961770294 (or 961770292 counting only the distinct ones).

The product of its digits is 30720, while the sum is 33.

Adding to 11541243444 its reverse (44434214511), we get a palindrome (55975457955).

The spelling of 11541243444 in words is "eleven billion, five hundred forty-one million, two hundred forty-three thousand, four hundred forty-four".