13855322355831 has 64 divisors (see below), whose sum is σ = 22930677504000. Its totient is φ = 8197714736640.

The previous prime is 13855322355811. The next prime is 13855322355841.

13855322355831 is a `hidden beast` number, since 1 + 3 + 8 + 5 + 5 + 3 + 22 + 35 + 583 + 1 = 666.

13855322355831 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 13855322355831 - 2⁹ = 13855322355319 is a prime.

It is a super-2 number, since 2×13855322355831² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13855322355811) 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 63 ways as a sum of consecutive naturals, for example, 1229310 + ... + 5405723.

It is an arithmetic number, because the mean of its divisors is an integer number (358291836000).

Almost surely, 2^{13855322355831} is an apocalyptic number.

13855322355831 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13855322355831 is a deficient number, since it is larger than the sum of its proper divisors (9075355148169).

13855322355831 is a wasteful number, since it uses less digits than its factorization.

13855322355831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6635221 (or 6635215 counting only the distinct ones).

The product of its digits is 12960000, while the sum is 54.

The spelling of 13855322355831 in words is "thirteen trillion, eight hundred fifty-five billion, three hundred twenty-two million, three hundred fifty-five thousand, eight hundred thirty-one".