26388116603 has 2 divisors, whose sum is σ = 26388116604. Its totient is φ = 26388116602.

The previous prime is 26388116563. The next prime is 26388116611. The reversal of 26388116603 is 30661188362.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26388116603 - 2¹² = 26388112507 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (26388116663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13194058301 + 13194058302.

It is an arithmetic number, because the mean of its divisors is an integer number (13194058302).

Almost surely, 2^26388116603 is an apocalyptic number.

26388116603 is a deficient number, since it is larger than the sum of its proper divisors (1).

26388116603 is an equidigital number, since it uses as much as digits as its factorization.

26388116603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 248832, while the sum is 44.

The spelling of 26388116603 in words is "twenty-six billion, three hundred eighty-eight million, one hundred sixteen thousand, six hundred three".