13455340044415 has 4 divisors (see below), whose sum is σ = 16146408053304. Its totient is φ = 10764272035528.

The previous prime is 13455340044403. The next prime is 13455340044469. The reversal of 13455340044415 is 51444004355431.

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

It is a cyclic number.

It is not a de Polignac number, because 13455340044415 - 2²³ = 13455331655807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1345534004437 + ... + 1345534004446.

It is an arithmetic number, because the mean of its divisors is an integer number (4036602013326).

Almost surely, 2^{13455340044415} is an apocalyptic number.

13455340044415 is a deficient number, since it is larger than the sum of its proper divisors (2691068008889).

13455340044415 is an equidigital number, since it uses as much as digits as its factorization.

13455340044415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2691068008888.

The product of its (nonzero) digits is 1152000, while the sum is 43.

Adding to 13455340044415 its reverse (51444004355431), we get a palindrome (64899344399846).

The spelling of 13455340044415 in words is "thirteen trillion, four hundred fifty-five billion, three hundred forty million, forty-four thousand, four hundred fifteen".