13531122355 has 4 divisors (see below), whose sum is σ = 16237346832. Its totient is φ = 10824897880.

The previous prime is 13531122349. The next prime is 13531122359. The reversal of 13531122355 is 55322113531.

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

It is not a de Polignac number, because 13531122355 - 2³ = 13531122347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13531122359) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1353112231 + ... + 1353112240.

It is an arithmetic number, because the mean of its divisors is an integer number (4059336708).

Almost surely, 2^13531122355 is an apocalyptic number.

13531122355 is a deficient number, since it is larger than the sum of its proper divisors (2706224477).

13531122355 is an equidigital number, since it uses as much as digits as its factorization.

13531122355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2706224476.

The product of its digits is 13500, while the sum is 31.

Adding to 13531122355 its reverse (55322113531), we get a palindrome (68853235886).

The spelling of 13531122355 in words is "thirteen billion, five hundred thirty-one million, one hundred twenty-two thousand, three hundred fifty-five".