26155053805 has 16 divisors (see below), whose sum is σ = 31532276160. Its totient is φ = 20826761472.

The previous prime is 26155053751. The next prime is 26155053817. The reversal of 26155053805 is 50835055162.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26155053805 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1122837 + ... + 1145893.

It is an arithmetic number, because the mean of its divisors is an integer number (1970767260).

Almost surely, 2^26155053805 is an apocalyptic number.

It is an amenable number.

26155053805 is a deficient number, since it is larger than the sum of its proper divisors (5377222355).

26155053805 is a wasteful number, since it uses less digits than its factorization.

26155053805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24108.

The product of its (nonzero) digits is 180000, while the sum is 40.

The spelling of 26155053805 in words is "twenty-six billion, one hundred fifty-five million, fifty-three thousand, eight hundred five".