26056071913 has 2 divisors, whose sum is σ = 26056071914. Its totient is φ = 26056071912.

The previous prime is 26056071871. The next prime is 26056071941. The reversal of 26056071913 is 31917065062.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18298513984 + 7757557929 = 135272^2 + 88077^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26056071913 is a prime.

It is not a weakly prime, because it can be changed into another prime (26056071973) 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, 13028035956 + 13028035957.

It is an arithmetic number, because the mean of its divisors is an integer number (13028035957).

Almost surely, 2^26056071913 is an apocalyptic number.

It is an amenable number.

26056071913 is a deficient number, since it is larger than the sum of its proper divisors (1).

26056071913 is an equidigital number, since it uses as much as digits as its factorization.

26056071913 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 68040, while the sum is 40.

The spelling of 26056071913 in words is "twenty-six billion, fifty-six million, seventy-one thousand, nine hundred thirteen".