26064065364481 has 4 divisors (see below), whose sum is σ = 26618619946752. Its totient is φ = 25509510782212.

The previous prime is 26064065364437. The next prime is 26064065364487. The reversal of 26064065364481 is 18446356046062.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 26064065364481 - 2⁷ = 26064065364353 is a prime.

It is a super-2 number, since 2×26064065364481² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26064065364487) 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 in 3 ways as a sum of consecutive naturals, for example, 277277291065 + ... + 277277291158.

It is an arithmetic number, because the mean of its divisors is an integer number (6654654986688).

Almost surely, 2^{26064065364481} is an apocalyptic number.

It is an amenable number.

26064065364481 is a deficient number, since it is larger than the sum of its proper divisors (554554582271).

26064065364481 is an equidigital number, since it uses as much as digits as its factorization.

26064065364481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 554554582270.

The product of its (nonzero) digits is 19906560, while the sum is 55.

The spelling of 26064065364481 in words is "twenty-six trillion, sixty-four billion, sixty-five million, three hundred sixty-four thousand, four hundred eighty-one".