13305111215655 has 16 divisors (see below), whose sum is σ = 24329346223104. Its totient is φ = 6082336555680.

The previous prime is 13305111215603. The next prime is 13305111215681. The reversal of 13305111215655 is 55651211150331.

It is not a de Polignac number, because 13305111215655 - 2⁷ = 13305111215527 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63357672351 + ... + 63357672560.

It is an arithmetic number, because the mean of its divisors is an integer number (1520584138944).

Almost surely, 2^{13305111215655} is an apocalyptic number.

13305111215655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13305111215655 is a deficient number, since it is larger than the sum of its proper divisors (11024235007449).

13305111215655 is a wasteful number, since it uses less digits than its factorization.

13305111215655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126715344926.

The product of its (nonzero) digits is 67500, while the sum is 39.

Adding to 13305111215655 its reverse (55651211150331), we get a palindrome (68956322365986).

The spelling of 13305111215655 in words is "thirteen trillion, three hundred five billion, one hundred eleven million, two hundred fifteen thousand, six hundred fifty-five".