13531523455 has 16 divisors (see below), whose sum is σ = 17326602720. Its totient is φ = 10114979328.

The previous prime is 13531523407. The next prime is 13531523459. The reversal of 13531523455 is 55432513531.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13531523455 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13531523459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 968662 + ... + 982531.

It is an arithmetic number, because the mean of its divisors is an integer number (1082912670).

Almost surely, 2^13531523455 is an apocalyptic number.

13531523455 is a deficient number, since it is larger than the sum of its proper divisors (3795079265).

13531523455 is a wasteful number, since it uses less digits than its factorization.

13531523455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1951290.

The product of its digits is 135000, while the sum is 37.

The spelling of 13531523455 in words is "thirteen billion, five hundred thirty-one million, five hundred twenty-three thousand, four hundred fifty-five".