12452343551155 has 4 divisors (see below), whose sum is σ = 14942812261392. Its totient is φ = 9961874840920.

The previous prime is 12452343551149. The next prime is 12452343551183. The reversal of 12452343551155 is 55115534325421.

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

It is not a de Polignac number, because 12452343551155 - 2¹⁹ = 12452343026867 is a prime.

It is a super-2 number, since 2×12452343551155² (a number of 27 digits) contains 22 as substring.

It is a Duffinian 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, 1245234355111 + ... + 1245234355120.

It is an arithmetic number, because the mean of its divisors is an integer number (3735703065348).

Almost surely, 2^{12452343551155} is an apocalyptic number.

12452343551155 is a deficient number, since it is larger than the sum of its proper divisors (2490468710237).

12452343551155 is an equidigital number, since it uses as much as digits as its factorization.

12452343551155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2490468710236.

The product of its digits is 1800000, while the sum is 46.

Adding to 12452343551155 its reverse (55115534325421), we get a palindrome (67567877876576).

The spelling of 12452343551155 in words is "twelve trillion, four hundred fifty-two billion, three hundred forty-three million, five hundred fifty-one thousand, one hundred fifty-five".