26112661 has 2 divisors, whose sum is σ = 26112662. Its totient is φ = 26112660.

The previous prime is 26112649. The next prime is 26112677. The reversal of 26112661 is 16621162.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21622500 + 4490161 = 4650^2 + 2119^2 .

It is a cyclic number.

It is not a de Polignac number, because 26112661 - 2¹¹ = 26110613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26112761) 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, 13056330 + 13056331.

It is an arithmetic number, because the mean of its divisors is an integer number (13056331).

Almost surely, 2^26112661 is an apocalyptic number.

It is an amenable number.

26112661 is a deficient number, since it is larger than the sum of its proper divisors (1).

26112661 is an equidigital number, since it uses as much as digits as its factorization.

26112661 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 864, while the sum is 25.

The square root of 26112661 is about 5110.0548920731. The cubic root of 26112661 is about 296.6768848618.

The spelling of 26112661 in words is "twenty-six million, one hundred twelve thousand, six hundred sixty-one".