26216011 has 4 divisors (see below), whose sum is σ = 26235000. Its totient is φ = 26197024.

The previous prime is 26216009. The next prime is 26216027. The reversal of 26216011 is 11061262.

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

It is a cyclic number.

It is not a de Polignac number, because 26216011 - 2¹ = 26216009 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 26216011.

It is not an unprimeable number, because it can be changed into a prime (26216041) 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, 7246 + ... + 10243.

It is an arithmetic number, because the mean of its divisors is an integer number (6558750).

Almost surely, 2^26216011 is an apocalyptic number.

26216011 is a deficient number, since it is larger than the sum of its proper divisors (18989).

26216011 is a wasteful number, since it uses less digits than its factorization.

26216011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18988.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 26216011 is about 5120.1573218017. The cubic root of 26216011 is about 297.0677705127.

Adding to 26216011 its reverse (11061262), we get a palindrome (37277273).

The spelling of 26216011 in words is "twenty-six million, two hundred sixteen thousand, eleven".