13805218833603 has 4 divisors (see below), whose sum is σ = 18406958444808. Its totient is φ = 9203479222400.

The previous prime is 13805218833587. The next prime is 13805218833611. The reversal of 13805218833603 is 30633881250831.

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 13805218833603 - 2⁴ = 13805218833587 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13805018833603) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2300869805598 + ... + 2300869805603.

It is an arithmetic number, because the mean of its divisors is an integer number (4601739611202).

Almost surely, 2^{13805218833603} is an apocalyptic number.

13805218833603 is a deficient number, since it is larger than the sum of its proper divisors (4601739611205).

13805218833603 is an equidigital number, since it uses as much as digits as its factorization.

13805218833603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4601739611204.

The product of its (nonzero) digits is 2488320, while the sum is 51.

The spelling of 13805218833603 in words is "thirteen trillion, eight hundred five billion, two hundred eighteen million, eight hundred thirty-three thousand, six hundred three".