1338881575855 has 8 divisors (see below), whose sum is σ = 1606666184064. Its totient is φ = 1071099732000.

The previous prime is 1338881575847. The next prime is 1338881575909. The reversal of 1338881575855 is 5585751888331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1338881575855 - 2³ = 1338881575847 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 7 ways as a sum of consecutive naturals, for example, 590530 + ... + 1739680.

It is an arithmetic number, because the mean of its divisors is an integer number (200833273008).

Almost surely, 2^{1338881575855} is an apocalyptic number.

1338881575855 is a deficient number, since it is larger than the sum of its proper divisors (267784608209).

1338881575855 is a wasteful number, since it uses less digits than its factorization.

1338881575855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1382177.

The product of its digits is 161280000, while the sum is 67.

The spelling of 1338881575855 in words is "one trillion, three hundred thirty-eight billion, eight hundred eighty-one million, five hundred seventy-five thousand, eight hundred fifty-five".