26768865113 has 2 divisors, whose sum is σ = 26768865114. Its totient is φ = 26768865112.

The previous prime is 26768865107. The next prime is 26768865143. The reversal of 26768865113 is 31156886762.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26622164569 + 146700544 = 163163^2 + 12112^2 .

It is a cyclic number.

It is not a de Polignac number, because 26768865113 - 2³⁴ = 9588995929 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (26768865143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13384432556 + 13384432557.

It is an arithmetic number, because the mean of its divisors is an integer number (13384432557).

Almost surely, 2^26768865113 is an apocalyptic number.

It is an amenable number.

26768865113 is a deficient number, since it is larger than the sum of its proper divisors (1).

26768865113 is an equidigital number, since it uses as much as digits as its factorization.

26768865113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2903040, while the sum is 53.

The spelling of 26768865113 in words is "twenty-six billion, seven hundred sixty-eight million, eight hundred sixty-five thousand, one hundred thirteen".