26111089 has 2 divisors, whose sum is σ = 26111090. Its totient is φ = 26111088.

The previous prime is 26111069. The next prime is 26111093. The reversal of 26111089 is 98011162.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24671089 + 1440000 = 4967^2 + 1200^2 .

It is a cyclic number.

It is not a de Polignac number, because 26111089 - 2¹³ = 26102897 is a prime.

It is a plaindrome in base 14.

It is not a weakly prime, because it can be changed into another prime (26111069) 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 as a sum of consecutive naturals, namely, 13055544 + 13055545.

It is an arithmetic number, because the mean of its divisors is an integer number (13055545).

Almost surely, 2^26111089 is an apocalyptic number.

It is an amenable number.

26111089 is a deficient number, since it is larger than the sum of its proper divisors (1).

26111089 is an equidigital number, since it uses as much as digits as its factorization.

26111089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 28.

The square root of 26111089 is about 5109.9010753634. The cubic root of 26111089 is about 296.6709313587.

The spelling of 26111089 in words is "twenty-six million, one hundred eleven thousand, eighty-nine".