13455312414553 has 4 divisors (see below), whose sum is σ = 13919288704740. Its totient is φ = 12991336124368.

The previous prime is 13455312414539. The next prime is 13455312414581. The reversal of 13455312414553 is 35541421355431.

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

It can be written as a sum of positive squares in 2 ways, for example, as 5747565118464 + 7707747296089 = 2397408^2 + 2776283^2 .

It is a cyclic number.

It is not a de Polignac number, because 13455312414553 - 2¹⁷ = 13455312283481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13455312424553) 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, 231988145050 + ... + 231988145107.

It is an arithmetic number, because the mean of its divisors is an integer number (3479822176185).

Almost surely, 2^{13455312414553} is an apocalyptic number.

It is an amenable number.

13455312414553 is a deficient number, since it is larger than the sum of its proper divisors (463976290187).

13455312414553 is an equidigital number, since it uses as much as digits as its factorization.

13455312414553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463976290186.

The product of its digits is 2160000, while the sum is 46.

Adding to 13455312414553 its reverse (35541421355431), we get a palindrome (48996733769984).

The spelling of 13455312414553 in words is "thirteen trillion, four hundred fifty-five billion, three hundred twelve million, four hundred fourteen thousand, five hundred fifty-three".