12253553255245 has 4 divisors (see below), whose sum is σ = 14704263906300. Its totient is φ = 9802842604192.

The previous prime is 12253553255243. The next prime is 12253553255323. The reversal of 12253553255245 is 54255235535221.

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 9577675627524 + 2675877627721 = 3094782^2 + 1635811^2 .

It is a cyclic number.

It is not a de Polignac number, because 12253553255245 - 2¹ = 12253553255243 is a prime.

It is a super-2 number, since 2×12253553255245² (a number of 27 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12253553255243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1225355325520 + ... + 1225355325529.

It is an arithmetic number, because the mean of its divisors is an integer number (3676065976575).

Almost surely, 2^{12253553255245} is an apocalyptic number.

It is an amenable number.

12253553255245 is a deficient number, since it is larger than the sum of its proper divisors (2450710651055).

12253553255245 is an equidigital number, since it uses as much as digits as its factorization.

12253553255245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2450710651054.

The product of its digits is 9000000, while the sum is 49.

The spelling of 12253553255245 in words is "twelve trillion, two hundred fifty-three billion, five hundred fifty-three million, two hundred fifty-five thousand, two hundred forty-five".