13104444335550 has 96 divisors (see below), whose sum is σ = 33301680056064. Its totient is φ = 3408262368000.

The previous prime is 13104444335501. The next prime is 13104444335551. The reversal of 13104444335550 is 5553344440131.

It is a super-2 number, since 2×13104444335550² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13104444335551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 20265735 + ... + 20902365.

It is an arithmetic number, because the mean of its divisors is an integer number (346892500584).

Almost surely, 2^{13104444335550} is an apocalyptic number.

13104444335550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13104444335550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16650840028032).

13104444335550 is an abundant number, since it is smaller than the sum of its proper divisors (20197235720514).

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

13104444335550 is a wasteful number, since it uses less digits than its factorization.

13104444335550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640034 (or 640029 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 42.

Adding to 13104444335550 its reverse (5553344440131), we get a palindrome (18657788775681).

The spelling of 13104444335550 in words is "thirteen trillion, one hundred four billion, four hundred forty-four million, three hundred thirty-five thousand, five hundred fifty".