13124042244425 has 18 divisors (see below), whose sum is σ = 18930761345358. Its totient is φ = 8999343252480.

The previous prime is 13124042244377. The next prime is 13124042244433. The reversal of 13124042244425 is 52444224042131.

It can be written as a sum of positive squares in 3 ways, for example, as 3513180425104 + 9610861819321 = 1874348^2 + 3100139^2 .

It is not a de Polignac number, because 13124042244425 - 2²⁸ = 13123773808969 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 17 ways as a sum of consecutive naturals, for example, 5356750712 + ... + 5356753161.

It is an arithmetic number, because the mean of its divisors is an integer number (1051708963631).

Almost surely, 2^{13124042244425} is an apocalyptic number.

It is an amenable number.

13124042244425 is a deficient number, since it is larger than the sum of its proper divisors (5806719100933).

13124042244425 is a wasteful number, since it uses less digits than its factorization.

13124042244425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10713503897 (or 10713503885 counting only the distinct ones).

The product of its (nonzero) digits is 245760, while the sum is 38.

Adding to 13124042244425 its reverse (52444224042131), we get a palindrome (65568266286556).

The spelling of 13124042244425 in words is "thirteen trillion, one hundred twenty-four billion, forty-two million, two hundred forty-four thousand, four hundred twenty-five".