13841221045365 has 120 divisors (see below), whose sum is σ = 29476654175232. Its totient is φ = 6192789059520.

The previous prime is 13841221045343. The next prime is 13841221045411. The reversal of 13841221045365 is 56354012214831.

13841221045365 is a `hidden beast` number, since 1 + 3 + 8 + 4 + 1 + 2 + 2 + 104 + 536 + 5 = 666.

It is not a de Polignac number, because 13841221045365 - 2¹¹ = 13841221043317 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 13841221045365.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 6487141 + ... + 8352570.

Almost surely, 2^{13841221045365} is an apocalyptic number.

13841221045365 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13841221045365 is an abundant number, since it is smaller than the sum of its proper divisors (15635433129867).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13841221045365 is a wasteful number, since it uses less digits than its factorization.

13841221045365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14839789 (or 14839773 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 45.

The spelling of 13841221045365 in words is "thirteen trillion, eight hundred forty-one billion, two hundred twenty-one million, forty-five thousand, three hundred sixty-five".