26500516100425 has 12 divisors (see below), whose sum is σ = 32861337318796. Its totient is φ = 21199962974400.

The previous prime is 26500516100423. The next prime is 26500516100459. The reversal of 26500516100425 is 52400161500562.

It can be written as a sum of positive squares in 6 ways, for example, as 6660858986496 + 19839657113929 = 2580864^2 + 4454173^2 .

It is not a de Polignac number, because 26500516100425 - 2¹ = 26500516100423 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26500516100423) 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 11 ways as a sum of consecutive naturals, for example, 10043514 + ... + 12404563.

Almost surely, 2^{26500516100425} is an apocalyptic number.

26500516100425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

26500516100425 is a deficient number, since it is larger than the sum of its proper divisors (6360821218371).

26500516100425 is a wasteful number, since it uses less digits than its factorization.

26500516100425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22495308 (or 22495303 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 37.

Adding to 26500516100425 its reverse (52400161500562), we get a palindrome (78900677600987).

The spelling of 26500516100425 in words is "twenty-six trillion, five hundred billion, five hundred sixteen million, one hundred thousand, four hundred twenty-five".