13255523151513 has 16 divisors (see below), whose sum is σ = 18267544866816. Its totient is φ = 8544789076880.

The previous prime is 13255523151491. The next prime is 13255523151517. The reversal of 13255523151513 is 31515132555231.

It is a cyclic number.

It is not a de Polignac number, because 13255523151513 - 2²⁵ = 13255489597081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13255523151517) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 566318433 + ... + 566341838.

It is an arithmetic number, because the mean of its divisors is an integer number (1141721554176).

Almost surely, 2^{13255523151513} is an apocalyptic number.

It is an amenable number.

13255523151513 is a deficient number, since it is larger than the sum of its proper divisors (5012021715303).

13255523151513 is a wasteful number, since it uses less digits than its factorization.

13255523151513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1132660404.

The product of its digits is 337500, while the sum is 42.

The spelling of 13255523151513 in words is "thirteen trillion, two hundred fifty-five billion, five hundred twenty-three million, one hundred fifty-one thousand, five hundred thirteen".