26855211 has 4 divisors (see below), whose sum is σ = 35806952. Its totient is φ = 17903472.

The previous prime is 26855209. The next prime is 26855233. The reversal of 26855211 is 11255862.

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

It is not a de Polignac number, because 26855211 - 2¹ = 26855209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26855251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4475866 + ... + 4475871.

It is an arithmetic number, because the mean of its divisors is an integer number (8951738).

Almost surely, 2^26855211 is an apocalyptic number.

26855211 is a deficient number, since it is larger than the sum of its proper divisors (8951741).

26855211 is an equidigital number, since it uses as much as digits as its factorization.

26855211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8951740.

The product of its digits is 4800, while the sum is 30.

The square root of 26855211 is about 5182.2013662149. The cubic root of 26855211 is about 299.4627830117.

The spelling of 26855211 in words is "twenty-six million, eight hundred fifty-five thousand, two hundred eleven".