26138304105 has 8 divisors (see below), whose sum is σ = 41821286592. Its totient is φ = 13940428848.

The previous prime is 26138304103. The next prime is 26138304121. The reversal of 26138304105 is 50140383162.

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

It is not a de Polignac number, because 26138304105 - 2¹ = 26138304103 is a prime.

It is not an unprimeable number, because it can be changed into a prime (26138304103) 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, 871276789 + ... + 871276818.

It is an arithmetic number, because the mean of its divisors is an integer number (5227660824).

Almost surely, 2^26138304105 is an apocalyptic number.

It is an amenable number.

26138304105 is a deficient number, since it is larger than the sum of its proper divisors (15682982487).

26138304105 is a wasteful number, since it uses less digits than its factorization.

26138304105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1742553615.

The product of its (nonzero) digits is 17280, while the sum is 33.

Adding to 26138304105 its reverse (50140383162), we get a palindrome (76278687267).

The spelling of 26138304105 in words is "twenty-six billion, one hundred thirty-eight million, three hundred four thousand, one hundred five".