13255521303525 has 96 divisors (see below), whose sum is σ = 23358393360000. Its totient is φ = 6614104181760.

The previous prime is 13255521303511. The next prime is 13255521303533. The reversal of 13255521303525 is 52530312555231.

It is not a de Polignac number, because 13255521303525 - 2⁷ = 13255521303397 is a prime.

It is a Curzon number.

It is a congruent 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 95 ways as a sum of consecutive naturals, for example, 36551791 + ... + 36912659.

It is an arithmetic number, because the mean of its divisors is an integer number (243316597500).

Almost surely, 2^{13255521303525} is an apocalyptic number.

13255521303525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13255521303525 is a deficient number, since it is larger than the sum of its proper divisors (10102872056475).

13255521303525 is a wasteful number, since it uses less digits than its factorization.

13255521303525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361223 (or 361218 counting only the distinct ones).

The product of its (nonzero) digits is 675000, while the sum is 42.

Adding to 13255521303525 its reverse (52530312555231), we get a palindrome (65785833858756).

The spelling of 13255521303525 in words is "thirteen trillion, two hundred fifty-five billion, five hundred twenty-one million, three hundred three thousand, five hundred twenty-five".