12426541121611 has 16 divisors (see below), whose sum is σ = 12620729506464. Its totient is φ = 12233005910784.

The previous prime is 12426541121573. The next prime is 12426541121627. The reversal of 12426541121611 is 11612114562421.

It is a cyclic number.

It is not a de Polignac number, because 12426541121611 - 2¹⁹ = 12426540597323 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12426541721611) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 465104025 + ... + 465130741.

It is an arithmetic number, because the mean of its divisors is an integer number (788795594154).

Almost surely, 2^{12426541121611} is an apocalyptic number.

12426541121611 is a deficient number, since it is larger than the sum of its proper divisors (194188384853).

12426541121611 is a wasteful number, since it uses less digits than its factorization.

12426541121611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38670.

The product of its digits is 23040, while the sum is 37.

The spelling of 12426541121611 in words is "twelve trillion, four hundred twenty-six billion, five hundred forty-one million, one hundred twenty-one thousand, six hundred eleven".