13381865558228 has 24 divisors (see below), whose sum is σ = 23593756570272. Its totient is φ = 6640924030304.

The previous prime is 13381865558221. The next prime is 13381865558339. The reversal of 13381865558228 is 82285556818331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13381865558221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16065650 + ... + 16878057.

It is an arithmetic number, because the mean of its divisors is an integer number (983073190428).

Almost surely, 2^{13381865558228} is an apocalyptic number.

It is an amenable number.

13381865558228 is a deficient number, since it is larger than the sum of its proper divisors (10211891012044).

13381865558228 is a wasteful number, since it uses less digits than its factorization.

13381865558228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32944471 (or 32944469 counting only the distinct ones).

The product of its digits is 110592000, while the sum is 65.

The spelling of 13381865558228 in words is "thirteen trillion, three hundred eighty-one billion, eight hundred sixty-five million, five hundred fifty-eight thousand, two hundred twenty-eight".