26417512680425 has 12 divisors (see below), whose sum is σ = 32761015227420. Its totient is φ = 21131881432320.

The previous prime is 26417512680409. The next prime is 26417512680443. The reversal of 26417512680425 is 52408621571462.

It can be written as a sum of positive squares in 6 ways, for example, as 5272647769 + 26412240032656 = 72613^2 + 5139284^2 .

It is not a de Polignac number, because 26417512680425 - 2⁴ = 26417512680409 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52964612 + ... + 53461061.

It is an arithmetic number, because the mean of its divisors is an integer number (2730084602285).

Almost surely, 2^{26417512680425} is an apocalyptic number.

26417512680425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

26417512680425 is a deficient number, since it is larger than the sum of its proper divisors (6343502546995).

26417512680425 is a wasteful number, since it uses less digits than its factorization.

26417512680425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106435612 (or 106435607 counting only the distinct ones).

The product of its (nonzero) digits is 6451200, while the sum is 53.

The spelling of 26417512680425 in words is "twenty-six trillion, four hundred seventeen billion, five hundred twelve million, six hundred eighty thousand, four hundred twenty-five".