26011291 has 2 divisors, whose sum is σ = 26011292. Its totient is φ = 26011290.

The previous prime is 26011283. The next prime is 26011331. The reversal of 26011291 is 19211062.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26011291 - 2³ = 26011283 is a prime.

It is not a weakly prime, because it can be changed into another prime (26011591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13005645 + 13005646.

It is an arithmetic number, because the mean of its divisors is an integer number (13005646).

Almost surely, 2^26011291 is an apocalyptic number.

26011291 is a deficient number, since it is larger than the sum of its proper divisors (1).

26011291 is an equidigital number, since it uses as much as digits as its factorization.

26011291 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 26011291 is about 5100.1265670569. The cubic root of 26011291 is about 296.2924846641.

The spelling of 26011291 in words is "twenty-six million, eleven thousand, two hundred ninety-one".