12425105431351 has 4 divisors (see below), whose sum is σ = 12425357342632. Its totient is φ = 12424853520072.

The previous prime is 12425105431339. The next prime is 12425105431357. The reversal of 12425105431351 is 15313450152421.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12425105431351 is a prime.

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 12425105431351.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12425105431357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125881641 + ... + 125980306.

It is an arithmetic number, because the mean of its divisors is an integer number (3106339335658).

Almost surely, 2^{12425105431351} is an apocalyptic number.

12425105431351 is a deficient number, since it is larger than the sum of its proper divisors (251911281).

12425105431351 is an equidigital number, since it uses as much as digits as its factorization.

12425105431351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251911280.

The product of its (nonzero) digits is 72000, while the sum is 37.

Adding to 12425105431351 its reverse (15313450152421), we get a palindrome (27738555583772).

The spelling of 12425105431351 in words is "twelve trillion, four hundred twenty-five billion, one hundred five million, four hundred thirty-one thousand, three hundred fifty-one".