26197622111 has 2 divisors, whose sum is σ = 26197622112. Its totient is φ = 26197622110.

The previous prime is 26197622071. The next prime is 26197622147. The reversal of 26197622111 is 11122679162.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26197622111 - 2²⁶ = 26130513247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26197622411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13098811055 + 13098811056.

It is an arithmetic number, because the mean of its divisors is an integer number (13098811056).

Almost surely, 2^26197622111 is an apocalyptic number.

26197622111 is a deficient number, since it is larger than the sum of its proper divisors (1).

26197622111 is an equidigital number, since it uses as much as digits as its factorization.

26197622111 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18144, while the sum is 38.

The spelling of 26197622111 in words is "twenty-six billion, one hundred ninety-seven million, six hundred twenty-two thousand, one hundred eleven".