26771155138139 has 2 divisors, whose sum is σ = 26771155138140. Its totient is φ = 26771155138138.

The previous prime is 26771155138109. The next prime is 26771155138151. The reversal of 26771155138139 is 93183155117762.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26771155138139 is a prime.

It is not a weakly prime, because it can be changed into another prime (26771155138109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13385577569069 + 13385577569070.

It is an arithmetic number, because the mean of its divisors is an integer number (13385577569070).

Almost surely, 2^{26771155138139} is an apocalyptic number.

26771155138139 is a deficient number, since it is larger than the sum of its proper divisors (1).

26771155138139 is an equidigital number, since it uses as much as digits as its factorization.

26771155138139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9525600, while the sum is 59.

The spelling of 26771155138139 in words is "twenty-six trillion, seven hundred seventy-one billion, one hundred fifty-five million, one hundred thirty-eight thousand, one hundred thirty-nine".