13504065013626 has 128 divisors (see below), whose sum is σ = 31580211972096. Its totient is φ = 3807847169280.

The previous prime is 13504065013601. The next prime is 13504065013709. The reversal of 13504065013626 is 62631056040531.

It is a Curzon number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 474195300 + ... + 474223776.

It is an arithmetic number, because the mean of its divisors is an integer number (246720406032).

Almost surely, 2^{13504065013626} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13504065013626, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15790105986048).

13504065013626 is an abundant number, since it is smaller than the sum of its proper divisors (18076146958470).

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

13504065013626 is a wasteful number, since it uses less digits than its factorization.

13504065013626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36996.

The product of its (nonzero) digits is 388800, while the sum is 42.

The spelling of 13504065013626 in words is "thirteen trillion, five hundred four billion, sixty-five million, thirteen thousand, six hundred twenty-six".