26856113559 has 32 divisors (see below), whose sum is σ = 42230780160. Its totient is φ = 15003014400.

The previous prime is 26856113527. The next prime is 26856113563. The reversal of 26856113559 is 95531165862.

It is not a de Polignac number, because 26856113559 - 2⁵ = 26856113527 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26856113509) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 555622 + ... + 602019.

It is an arithmetic number, because the mean of its divisors is an integer number (1319711880).

Almost surely, 2^26856113559 is an apocalyptic number.

26856113559 is a deficient number, since it is larger than the sum of its proper divisors (15374666601).

26856113559 is a wasteful number, since it uses less digits than its factorization.

26856113559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1157711.

The product of its digits is 1944000, while the sum is 51.

The spelling of 26856113559 in words is "twenty-six billion, eight hundred fifty-six million, one hundred thirteen thousand, five hundred fifty-nine".