13764218720255 has 32 divisors (see below), whose sum is σ = 17443779494400. Its totient is φ = 10405165175680.

The previous prime is 13764218720183. The next prime is 13764218720267. The reversal of 13764218720255 is 55202781246731.

It is a Cunningham number, because it is equal to 3710016²-1.

It is not a de Polignac number, because 13764218720255 - 2²⁰ = 13764217671679 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13764218720197 and 13764218720206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 307908896 + ... + 307953594.

It is an arithmetic number, because the mean of its divisors is an integer number (545118109200).

Almost surely, 2^{13764218720255} is an apocalyptic number.

13764218720255 is a deficient number, since it is larger than the sum of its proper divisors (3679560774145).

13764218720255 is a wasteful number, since it uses less digits than its factorization.

13764218720255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77071.

The product of its (nonzero) digits is 5644800, while the sum is 53.

Adding to 13764218720255 its reverse (55202781246731), we get a palindrome (68966999966986).

The spelling of 13764218720255 in words is "thirteen trillion, seven hundred sixty-four billion, two hundred eighteen million, seven hundred twenty thousand, two hundred fifty-five".