13523021255 has 4 divisors (see below), whose sum is σ = 16227625512. Its totient is φ = 10818417000.

The previous prime is 13523021231. The next prime is 13523021293. The reversal of 13523021255 is 55212032531.

13523021255 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 13523021255 - 2¹⁸ = 13522759111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1352302121 + ... + 1352302130.

It is an arithmetic number, because the mean of its divisors is an integer number (4056906378).

Almost surely, 2^13523021255 is an apocalyptic number.

13523021255 is a deficient number, since it is larger than the sum of its proper divisors (2704604257).

13523021255 is an equidigital number, since it uses as much as digits as its factorization.

13523021255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2704604256.

The product of its (nonzero) digits is 9000, while the sum is 29.

Adding to 13523021255 its reverse (55212032531), we get a palindrome (68735053786).

The spelling of 13523021255 in words is "thirteen billion, five hundred twenty-three million, twenty-one thousand, two hundred fifty-five".