26006651115605 has 16 divisors (see below), whose sum is σ = 31214078143104. Its totient is φ = 20801256840000.

The previous prime is 26006651115559. The next prime is 26006651115661. The reversal of 26006651115605 is 50651115660062.

It is a happy number.

It is not a de Polignac number, because 26006651115605 - 2³⁰ = 26005577373781 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 (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 710876144 + ... + 710912726.

It is an arithmetic number, because the mean of its divisors is an integer number (1950879883944).

Almost surely, 2^{26006651115605} is an apocalyptic number.

It is an amenable number.

26006651115605 is a deficient number, since it is larger than the sum of its proper divisors (5207427027499).

26006651115605 is a wasteful number, since it uses less digits than its factorization.

26006651115605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60476.

The product of its (nonzero) digits is 324000, while the sum is 44.

Adding to 26006651115605 its reverse (50651115660062), we get a palindrome (76657766775667).

The spelling of 26006651115605 in words is "twenty-six trillion, six billion, six hundred fifty-one million, one hundred fifteen thousand, six hundred five".