26117609325 has 12 divisors (see below), whose sum is σ = 43181114208. Its totient is φ = 13929391600.

The previous prime is 26117609281. The next prime is 26117609327. The reversal of 26117609325 is 52390671162.

It is not a de Polignac number, because 26117609325 - 2⁸ = 26117609069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26117609327) 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, 174117321 + ... + 174117470.

It is an arithmetic number, because the mean of its divisors is an integer number (3598426184).

Almost surely, 2^26117609325 is an apocalyptic number.

26117609325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

26117609325 is a deficient number, since it is larger than the sum of its proper divisors (17063504883).

26117609325 is a wasteful number, since it uses less digits than its factorization.

26117609325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348234804 (or 348234799 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 42.

The spelling of 26117609325 in words is "twenty-six billion, one hundred seventeen million, six hundred nine thousand, three hundred twenty-five".