12562647126441 has 4 divisors (see below), whose sum is σ = 16750196168592. Its totient is φ = 8375098084292.

The previous prime is 12562647126433. The next prime is 12562647126451. The reversal of 12562647126441 is 14462174626521.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12562647126441 - 2³ = 12562647126433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12562647126401) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2093774521071 + ... + 2093774521076.

It is an arithmetic number, because the mean of its divisors is an integer number (4187549042148).

Almost surely, 2^{12562647126441} is an apocalyptic number.

It is an amenable number.

12562647126441 is a deficient number, since it is larger than the sum of its proper divisors (4187549042151).

12562647126441 is an equidigital number, since it uses as much as digits as its factorization.

12562647126441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4187549042150.

The product of its digits is 3870720, while the sum is 51.

The spelling of 12562647126441 in words is "twelve trillion, five hundred sixty-two billion, six hundred forty-seven million, one hundred twenty-six thousand, four hundred forty-one".