26105243540125 has 8 divisors (see below), whose sum is σ = 32579343938232. Its totient is φ = 20884194832000.

The previous prime is 26105243540087. The next prime is 26105243540161. The reversal of 26105243540125 is 52104534250162.

It can be written as a sum of positive squares in 4 ways, for example, as 6392735764996 + 19712507775129 = 2528386^2 + 4439877^2 .

It is not a de Polignac number, because 26105243540125 - 2¹⁹ = 26105243015837 is a prime.

It is a super-3 number, since 3×26105243540125³ (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104420974036 + ... + 104420974285.

It is an arithmetic number, because the mean of its divisors is an integer number (4072417992279).

Almost surely, 2^{26105243540125} is an apocalyptic number.

26105243540125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

26105243540125 is a deficient number, since it is larger than the sum of its proper divisors (6474100398107).

26105243540125 is an equidigital number, since it uses as much as digits as its factorization.

26105243540125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208841948336 (or 208841948326 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 40.

Adding to 26105243540125 its reverse (52104534250162), we get a palindrome (78209777790287).

The spelling of 26105243540125 in words is "twenty-six trillion, one hundred five billion, two hundred forty-three million, five hundred forty thousand, one hundred twenty-five".