26388116611 has 2 divisors, whose sum is σ = 26388116612. Its totient is φ = 26388116610.

The previous prime is 26388116603. The next prime is 26388116663. The reversal of 26388116611 is 11661188362.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26388116611 - 2³ = 26388116603 is a prime.

It is not a weakly prime, because it can be changed into another prime (26388116011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13194058305 + 13194058306.

It is an arithmetic number, because the mean of its divisors is an integer number (13194058306).

Almost surely, 2^26388116611 is an apocalyptic number.

26388116611 is a deficient number, since it is larger than the sum of its proper divisors (1).

26388116611 is an equidigital number, since it uses as much as digits as its factorization.

26388116611 is an evil number, because the sum of its binary digits is even.

The product of its digits is 82944, while the sum is 43.

The spelling of 26388116611 in words is "twenty-six billion, three hundred eighty-eight million, one hundred sixteen thousand, six hundred eleven".