26198400911 has 2 divisors, whose sum is σ = 26198400912. Its totient is φ = 26198400910.

The previous prime is 26198400889. The next prime is 26198400913. The reversal of 26198400911 is 11900489162.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26198400911 - 2⁶ = 26198400847 is a prime.

Together with 26198400913, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26198400913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13099200455 + 13099200456.

It is an arithmetic number, because the mean of its divisors is an integer number (13099200456).

Almost surely, 2^26198400911 is an apocalyptic number.

26198400911 is a deficient number, since it is larger than the sum of its proper divisors (1).

26198400911 is an equidigital number, since it uses as much as digits as its factorization.

26198400911 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 41.

The spelling of 26198400911 in words is "twenty-six billion, one hundred ninety-eight million, four hundred thousand, nine hundred eleven".