26155211 has 2 divisors, whose sum is σ = 26155212. Its totient is φ = 26155210.

The previous prime is 26155201. The next prime is 26155249. The reversal of 26155211 is 11255162.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26155211 is a prime.

It is not a weakly prime, because it can be changed into another prime (26155201) 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, 13077605 + 13077606.

It is an arithmetic number, because the mean of its divisors is an integer number (13077606).

Almost surely, 2^26155211 is an apocalyptic number.

26155211 is a deficient number, since it is larger than the sum of its proper divisors (1).

26155211 is an equidigital number, since it uses as much as digits as its factorization.

26155211 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 600, while the sum is 23.

The square root of 26155211 is about 5114.2165577926. The cubic root of 26155211 is about 296.8379402086.

The spelling of 26155211 in words is "twenty-six million, one hundred fifty-five thousand, two hundred eleven".