26020811 has 4 divisors (see below), whose sum is σ = 26860224. Its totient is φ = 25181400.

The previous prime is 26020793. The next prime is 26020817. The reversal of 26020811 is 11802062.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11802062 = 2 ⋅5901031.

It is a cyclic number.

It is not a de Polignac number, because 26020811 - 2¹⁰ = 26019787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26020817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 419660 + ... + 419721.

It is an arithmetic number, because the mean of its divisors is an integer number (6715056).

Almost surely, 2^26020811 is an apocalyptic number.

26020811 is a deficient number, since it is larger than the sum of its proper divisors (839413).

26020811 is an equidigital number, since it uses as much as digits as its factorization.

26020811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 839412.

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 26020811 is about 5101.0597918472. The cubic root of 26020811 is about 296.3286274351.

Adding to 26020811 its reverse (11802062), we get a palindrome (37822873).

The spelling of 26020811 in words is "twenty-six million, twenty thousand, eight hundred eleven".