26655275280289 has 4 divisors (see below), whose sum is σ = 26858750664240. Its totient is φ = 26451799896340.

The previous prime is 26655275280217. The next prime is 26655275280307. The reversal of 26655275280289 is 98208257255662.

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 26655275280289 - 2¹⁵ = 26655275247521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26655275280589) 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, 101737691779 + ... + 101737692040.

It is an arithmetic number, because the mean of its divisors is an integer number (6714687666060).

Almost surely, 2^{26655275280289} is an apocalyptic number.

It is an amenable number.

26655275280289 is a deficient number, since it is larger than the sum of its proper divisors (203475383951).

26655275280289 is a wasteful number, since it uses less digits than its factorization.

26655275280289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203475383950.

The product of its (nonzero) digits is 290304000, while the sum is 67.

The spelling of 26655275280289 in words is "twenty-six trillion, six hundred fifty-five billion, two hundred seventy-five million, two hundred eighty thousand, two hundred eighty-nine".