13455335511255 has 64 divisors (see below), whose sum is σ = 24304447249920. Its totient is φ = 6296527910400.

The previous prime is 13455335511221. The next prime is 13455335511307. The reversal of 13455335511255 is 55211553355431.

It is not a de Polignac number, because 13455335511255 - 2³¹ = 13453188027607 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12553009 + ... + 13582661.

It is an arithmetic number, because the mean of its divisors is an integer number (379756988280).

Almost surely, 2^{13455335511255} is an apocalyptic number.

13455335511255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13455335511255 is a deficient number, since it is larger than the sum of its proper divisors (10849111738665).

13455335511255 is a wasteful number, since it uses less digits than its factorization.

13455335511255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1032432.

The product of its digits is 3375000, while the sum is 48.

Adding to 13455335511255 its reverse (55211553355431), we get a palindrome (68666888866686).

The spelling of 13455335511255 in words is "thirteen trillion, four hundred fifty-five billion, three hundred thirty-five million, five hundred eleven thousand, two hundred fifty-five".