13855433455831 has 24 divisors (see below), whose sum is σ = 15285295402832. Its totient is φ = 12549775392000.

The previous prime is 13855433455823. The next prime is 13855433455841.

13855433455831 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 13855433455831 - 2³ = 13855433455823 is a prime.

It is a super-2 number, since 2×13855433455831² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13855433455841) 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 23 ways as a sum of consecutive naturals, for example, 59132056 + ... + 59365906.

Almost surely, 2^{13855433455831} is an apocalyptic number.

13855433455831 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13855433455831 is a deficient number, since it is larger than the sum of its proper divisors (1429861947001).

13855433455831 is a wasteful number, since it uses less digits than its factorization.

13855433455831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235663 (or 235652 counting only the distinct ones).

The product of its digits is 51840000, while the sum is 58.

The spelling of 13855433455831 in words is "thirteen trillion, eight hundred fifty-five billion, four hundred thirty-three million, four hundred fifty-five thousand, eight hundred thirty-one".