26204887025417 has 2 divisors, whose sum is σ = 26204887025418. Its totient is φ = 26204887025416.

The previous prime is 26204887025363. The next prime is 26204887025419. The reversal of 26204887025417 is 71452078840262.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20561653974016 + 5643233051401 = 4534496^2 + 2375549^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26204887025417 is a prime.

It is a super-2 number, since 2×26204887025417² (a number of 28 digits) contains 22 as substring.

Together with 26204887025419, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (26204887025419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13102443512708 + 13102443512709.

It is an arithmetic number, because the mean of its divisors is an integer number (13102443512709).

Almost surely, 2^{26204887025417} is an apocalyptic number.

It is an amenable number.

26204887025417 is a deficient number, since it is larger than the sum of its proper divisors (1).

26204887025417 is an equidigital number, since it uses as much as digits as its factorization.

26204887025417 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12042240, while the sum is 56.

The spelling of 26204887025417 in words is "twenty-six trillion, two hundred four billion, eight hundred eighty-seven million, twenty-five thousand, four hundred seventeen".