26421132211 has 2 divisors, whose sum is σ = 26421132212. Its totient is φ = 26421132210.

The previous prime is 26421132209. The next prime is 26421132229. The reversal of 26421132211 is 11223112462.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26421132211 - 2¹ = 26421132209 is a prime.

It is a super-2 number, since 2×26421132211² (a number of 22 digits) contains 22 as substring.

Together with 26421132209, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (26421132251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13210566105 + 13210566106.

It is an arithmetic number, because the mean of its divisors is an integer number (13210566106).

Almost surely, 2^26421132211 is an apocalyptic number.

26421132211 is a deficient number, since it is larger than the sum of its proper divisors (1).

26421132211 is an equidigital number, since it uses as much as digits as its factorization.

26421132211 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1152, while the sum is 25.

Adding to 26421132211 its reverse (11223112462), we get a palindrome (37644244673).

The spelling of 26421132211 in words is "twenty-six billion, four hundred twenty-one million, one hundred thirty-two thousand, two hundred eleven".