26265511 has 2 divisors, whose sum is σ = 26265512. Its totient is φ = 26265510.

The previous prime is 26265509. The next prime is 26265521. The reversal of 26265511 is 11556262.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26265511 - 2¹ = 26265509 is a prime.

It is a super-2 number, since 2×26265511² = 1379754136182242, which contains 22 as substring.

Together with 26265509, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 26265511.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26265521) 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, 13132755 + 13132756.

It is an arithmetic number, because the mean of its divisors is an integer number (13132756).

Almost surely, 2^26265511 is an apocalyptic number.

26265511 is a deficient number, since it is larger than the sum of its proper divisors (1).

26265511 is an equidigital number, since it uses as much as digits as its factorization.

26265511 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3600, while the sum is 28.

The square root of 26265511 is about 5124.9888780367. The cubic root of 26265511 is about 297.2546233651.

The spelling of 26265511 in words is "twenty-six million, two hundred sixty-five thousand, five hundred eleven".