26068668551 has 2 divisors, whose sum is σ = 26068668552. Its totient is φ = 26068668550.

The previous prime is 26068668523. The next prime is 26068668641. The reversal of 26068668551 is 15586686062.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26068668551 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 26068668493 and 26068668502.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26068668151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13034334275 + 13034334276.

It is an arithmetic number, because the mean of its divisors is an integer number (13034334276).

Almost surely, 2^26068668551 is an apocalyptic number.

26068668551 is a deficient number, since it is larger than the sum of its proper divisors (1).

26068668551 is an equidigital number, since it uses as much as digits as its factorization.

26068668551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4147200, while the sum is 53.

The spelling of 26068668551 in words is "twenty-six billion, sixty-eight million, six hundred sixty-eight thousand, five hundred fifty-one".