12513412343455 has 4 divisors (see below), whose sum is σ = 15016094812152. Its totient is φ = 10010729874760.

The previous prime is 12513412343449. The next prime is 12513412343489. The reversal of 12513412343455 is 55434321431521.

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

It is not a de Polignac number, because 12513412343455 - 2³ = 12513412343447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1251341234341 + ... + 1251341234350.

It is an arithmetic number, because the mean of its divisors is an integer number (3754023703038).

Almost surely, 2^{12513412343455} is an apocalyptic number.

12513412343455 is a deficient number, since it is larger than the sum of its proper divisors (2502682468697).

12513412343455 is an equidigital number, since it uses as much as digits as its factorization.

12513412343455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2502682468696.

The product of its digits is 864000, while the sum is 43.

Adding to 12513412343455 its reverse (55434321431521), we get a palindrome (67947733774976).

The spelling of 12513412343455 in words is "twelve trillion, five hundred thirteen billion, four hundred twelve million, three hundred forty-three thousand, four hundred fifty-five".