13455133155431 has 16 divisors (see below), whose sum is σ = 15151992883200. Its totient is φ = 11837226655200.

The previous prime is 13455133155421. The next prime is 13455133155479.

13455133155431 is nontrivially palindromic in base 10.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13455133155431 is a prime.

It is a super-2 number, since 2×13455133155431² (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 (13455133155421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41258510 + ... + 41583348.

It is an arithmetic number, because the mean of its divisors is an integer number (946999555200).

Almost surely, 2^{13455133155431} is an apocalyptic number.

13455133155431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13455133155431 is a deficient number, since it is larger than the sum of its proper divisors (1696859727769).

13455133155431 is a wasteful number, since it uses less digits than its factorization.

13455133155431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446350.

The product of its digits is 810000, while the sum is 44.

The spelling of 13455133155431 in words is "thirteen trillion, four hundred fifty-five billion, one hundred thirty-three million, one hundred fifty-five thousand, four hundred thirty-one".