26105243540117 has 8 divisors (see below), whose sum is σ = 29835896303616. Its totient is φ = 22374923841072.

The previous prime is 26105243540087. The next prime is 26105243540161. The reversal of 26105243540117 is 71104534250162.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 26105243540117 - 2⁶ = 26105243540053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26105243540017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83098133 + ... + 83411690.

It is an arithmetic number, because the mean of its divisors is an integer number (3729487037952).

Almost surely, 2^{26105243540117} is an apocalyptic number.

It is an amenable number.

26105243540117 is a deficient number, since it is larger than the sum of its proper divisors (3730652763499).

26105243540117 is a wasteful number, since it uses less digits than its factorization.

26105243540117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166532227.

The product of its (nonzero) digits is 201600, while the sum is 41.

Adding to 26105243540117 its reverse (71104534250162), we get a palindrome (97209777790279).

The spelling of 26105243540117 in words is "twenty-six trillion, one hundred five billion, two hundred forty-three million, five hundred forty thousand, one hundred seventeen".