13104442403145 has 72 divisors (see below), whose sum is σ = 23590037844360. Its totient is φ = 6988075960320.

The previous prime is 13104442403131. The next prime is 13104442403149. The reversal of 13104442403145 is 54130424440131.

It is a happy number.

13104442403145 is a `hidden beast` number, since 1 + 3 + 104 + 4 + 4 + 2 + 403 + 145 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1951854879744 + 11152587523401 = 1397088^2 + 3339549^2 .

It is not a de Polignac number, because 13104442403145 - 2⁹ = 13104442402633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13104442403149) 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 71 ways as a sum of consecutive naturals, for example, 283444891 + ... + 283491119.

It is an arithmetic number, because the mean of its divisors is an integer number (327639414505).

Almost surely, 2^{13104442403145} is an apocalyptic number.

13104442403145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13104442403145 is a deficient number, since it is larger than the sum of its proper divisors (10485595441215).

13104442403145 is an frugal number, since it uses more digits than its factorization.

13104442403145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54899 (or 54878 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 36.

Adding to 13104442403145 its reverse (54130424440131), we get a palindrome (67234866843276).

The spelling of 13104442403145 in words is "thirteen trillion, one hundred four billion, four hundred forty-two million, four hundred three thousand, one hundred forty-five".