11331321404144 has 40 divisors (see below), whose sum is σ = 25702753439328. Its totient is φ = 4737834731520.

The previous prime is 11331321404111. The next prime is 11331321404219. The reversal of 11331321404144 is 44140412313311.

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 11331321404144.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1233806537 + ... + 1233815720.

Almost surely, 2^{11331321404144} is an apocalyptic number.

11331321404144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

11331321404144 is an abundant number, since it is smaller than the sum of its proper divisors (14371432035184).

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

11331321404144 is a wasteful number, since it uses less digits than its factorization.

11331321404144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2467622313 (or 2467622307 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

Adding to 11331321404144 its reverse (44140412313311), we get a palindrome (55471733717455).

The spelling of 11331321404144 in words is "eleven trillion, three hundred thirty-one billion, three hundred twenty-one million, four hundred four thousand, one hundred forty-four".