13255455231 has 24 divisors (see below), whose sum is σ = 19348482816. Its totient is φ = 8743982400.

The previous prime is 13255455223. The next prime is 13255455251.

13255455231 is a `hidden beast` number, since 1 + 3 + 25 + 54 + 552 + 31 = 666.

13255455231 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 13255455231 - 2³ = 13255455223 is a prime.

It is a super-2 number, since 2×13255455231² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13255455251) 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 23 ways as a sum of consecutive naturals, for example, 1862626 + ... + 1869728.

It is an arithmetic number, because the mean of its divisors is an integer number (806186784).

Almost surely, 2^13255455231 is an apocalyptic number.

13255455231 is a deficient number, since it is larger than the sum of its proper divisors (6093027585).

13255455231 is a wasteful number, since it uses less digits than its factorization.

13255455231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9263 (or 9260 counting only the distinct ones).

The product of its digits is 90000, while the sum is 36.

It can be divided in two parts, 1325 and 5455231, that added together give a triangular number (5456556 = T₃₃₀₃).

The spelling of 13255455231 in words is "thirteen billion, two hundred fifty-five million, four hundred fifty-five thousand, two hundred thirty-one".