11544442555212 has 144 divisors (see below), whose sum is σ = 35272288979200. Its totient is φ = 3110001713280.

The previous prime is 11544442555181. The next prime is 11544442555241. The reversal of 11544442555212 is 21255524444511.

11544442555212 is a `hidden beast` number, since 1 + 1 + 5 + 4 + 4 + 4 + 425 + 5 + 5 + 212 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4703287 + ... + 6723822.

Almost surely, 2^{11544442555212} is an apocalyptic number.

11544442555212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11544442555212 is an abundant number, since it is smaller than the sum of its proper divisors (23727846423988).

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

11544442555212 is a wasteful number, since it uses less digits than its factorization.

11544442555212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11427356 (or 11427351 counting only the distinct ones).

The product of its digits is 1280000, while the sum is 45.

Adding to 11544442555212 its reverse (21255524444511), we get a palindrome (32799966999723).

The spelling of 11544442555212 in words is "eleven trillion, five hundred forty-four billion, four hundred forty-two million, five hundred fifty-five thousand, two hundred twelve".