13105401234044 has 24 divisors (see below), whose sum is σ = 26213056261728. Its totient is φ = 5616117573120.

The previous prime is 13105401233989. The next prime is 13105401234047. The reversal of 13105401234044 is 44043210450131.

It is a self number, because there is not a number n which added to its sum of digits gives 13105401234044.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13105401234047) 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 7 ways as a sum of consecutive naturals, for example, 19791617 + ... + 20443064.

It is an arithmetic number, because the mean of its divisors is an integer number (1092210677572).

Almost surely, 2^{13105401234044} is an apocalyptic number.

13105401234044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13105401234044 is an abundant number, since it is smaller than the sum of its proper divisors (13107655027684).

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

13105401234044 is a wasteful number, since it uses less digits than its factorization.

13105401234044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40246325 (or 40246323 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

Adding to 13105401234044 its reverse (44043210450131), we get a palindrome (57148611684175).

The spelling of 13105401234044 in words is "thirteen trillion, one hundred five billion, four hundred one million, two hundred thirty-four thousand, forty-four".