13455255431 has 16 divisors (see below), whose sum is σ = 14004672000. Its totient is φ = 12918080448.

The previous prime is 13455255389. The next prime is 13455255449.

13455255431 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-13455255431 is a prime.

It is a super-2 number, since 2×13455255431² (a number of 21 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 (13455225431) 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, 762395 + ... + 779843.

It is an arithmetic number, because the mean of its divisors is an integer number (875292000).

Almost surely, 2^13455255431 is an apocalyptic number.

13455255431 is a deficient number, since it is larger than the sum of its proper divisors (549416569).

13455255431 is a wasteful number, since it uses less digits than its factorization.

13455255431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17798.

The product of its digits is 180000, while the sum is 38.

The spelling of 13455255431 in words is "thirteen billion, four hundred fifty-five million, two hundred fifty-five thousand, four hundred thirty-one".