26506312751311 has 2 divisors, whose sum is σ = 26506312751312. Its totient is φ = 26506312751310.

The previous prime is 26506312751309. The next prime is 26506312751323. The reversal of 26506312751311 is 11315721360562.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26506312751311 - 2¹ = 26506312751309 is a prime.

It is a super-2 number, since 2×26506312751311² (a number of 28 digits) contains 22 as substring.

Together with 26506312751309, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26506312751011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13253156375655 + 13253156375656.

It is an arithmetic number, because the mean of its divisors is an integer number (13253156375656).

Almost surely, 2^{26506312751311} is an apocalyptic number.

26506312751311 is a deficient number, since it is larger than the sum of its proper divisors (1).

26506312751311 is an equidigital number, since it uses as much as digits as its factorization.

26506312751311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 226800, while the sum is 43.

The spelling of 26506312751311 in words is "twenty-six trillion, five hundred six billion, three hundred twelve million, seven hundred fifty-one thousand, three hundred eleven".