13235243455 has 16 divisors (see below), whose sum is σ = 18153152064. Its totient is φ = 9074615040.

The previous prime is 13235243443. The next prime is 13235243477. The reversal of 13235243455 is 55434253231.

It is not a de Polignac number, because 13235243455 - 2⁵ = 13235243423 is a prime.

It is a super-3 number, since 3×13235243455³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 482715 + ... + 509395.

It is an arithmetic number, because the mean of its divisors is an integer number (1134572004).

Almost surely, 2^13235243455 is an apocalyptic number.

13235243455 is a deficient number, since it is larger than the sum of its proper divisors (4917908609).

13235243455 is a wasteful number, since it uses less digits than its factorization.

13235243455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40866.

The product of its digits is 216000, while the sum is 37.

Adding to 13235243455 its reverse (55434253231), we get a palindrome (68669496686).

The spelling of 13235243455 in words is "thirteen billion, two hundred thirty-five million, two hundred forty-three thousand, four hundred fifty-five".