13104520203525 has 12 divisors (see below), whose sum is σ = 21666140069952. Its totient is φ = 6989077441840.

The previous prime is 13104520203499. The next prime is 13104520203539. The reversal of 13104520203525 is 52530202540131.

It is not a de Polignac number, because 13104520203525 - 2¹¹ = 13104520201477 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 87363467949 + ... + 87363468098.

It is an arithmetic number, because the mean of its divisors is an integer number (1805511672496).

Almost surely, 2^{13104520203525} is an apocalyptic number.

13104520203525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13104520203525 is a deficient number, since it is larger than the sum of its proper divisors (8561619866427).

13104520203525 is a wasteful number, since it uses less digits than its factorization.

13104520203525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174726936060 (or 174726936055 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 33.

Adding to 13104520203525 its reverse (52530202540131), we get a palindrome (65634722743656).

The spelling of 13104520203525 in words is "thirteen trillion, one hundred four billion, five hundred twenty million, two hundred three thousand, five hundred twenty-five".