12425255405 has 4 divisors (see below), whose sum is σ = 14910306492. Its totient is φ = 9940204320.

The previous prime is 12425255383. The next prime is 12425255413. The reversal of 12425255405 is 50455252421.

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 7263982441 + 5161272964 = 85229^2 + 71842^2 .

It is not a de Polignac number, because 12425255405 - 2⁸ = 12425255149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1242525536 + ... + 1242525545.

It is an arithmetic number, because the mean of its divisors is an integer number (3727576623).

Almost surely, 2^12425255405 is an apocalyptic number.

It is an amenable number.

12425255405 is a deficient number, since it is larger than the sum of its proper divisors (2485051087).

12425255405 is an equidigital number, since it uses as much as digits as its factorization.

12425255405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2485051086.

The product of its (nonzero) digits is 80000, while the sum is 35.

The spelling of 12425255405 in words is "twelve billion, four hundred twenty-five million, two hundred fifty-five thousand, four hundred five".