12454435681153 has 4 divisors (see below), whose sum is σ = 12625044389188. Its totient is φ = 12283826973120.

The previous prime is 12454435681117. The next prime is 12454435681159. The reversal of 12454435681153 is 35118653445421.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5492610951424 + 6961824729729 = 2343632^2 + 2638527^2 .

It is a cyclic number.

It is not a de Polignac number, because 12454435681153 - 2²¹ = 12454433584001 is a prime.

It is a super-2 number, since 2×12454435681153² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12454435681153.

It is not an unprimeable number, because it can be changed into a prime (12454435681159) 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 3 ways as a sum of consecutive naturals, for example, 85304353908 + ... + 85304354053.

It is an arithmetic number, because the mean of its divisors is an integer number (3156261097297).

Almost surely, 2^{12454435681153} is an apocalyptic number.

It is an amenable number.

12454435681153 is a deficient number, since it is larger than the sum of its proper divisors (170608708035).

12454435681153 is an equidigital number, since it uses as much as digits as its factorization.

12454435681153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170608708034.

The product of its digits is 6912000, while the sum is 52.

The spelling of 12454435681153 in words is "twelve trillion, four hundred fifty-four billion, four hundred thirty-five million, six hundred eighty-one thousand, one hundred fifty-three".