26855134671 has 4 divisors (see below), whose sum is σ = 35806846232. Its totient is φ = 17903423112.

The previous prime is 26855134639. The next prime is 26855134681. The reversal of 26855134671 is 17643155862.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 26855134671 - 2⁵ = 26855134639 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 26855134671.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26855134681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4475855776 + ... + 4475855781.

It is an arithmetic number, because the mean of its divisors is an integer number (8951711558).

Almost surely, 2^26855134671 is an apocalyptic number.

26855134671 is a deficient number, since it is larger than the sum of its proper divisors (8951711561).

26855134671 is an equidigital number, since it uses as much as digits as its factorization.

26855134671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8951711560.

The product of its digits is 1209600, while the sum is 48.

The spelling of 26855134671 in words is "twenty-six billion, eight hundred fifty-five million, one hundred thirty-four thousand, six hundred seventy-one".