10805977805 has 16 divisors (see below), whose sum is σ = 14822987520. Its totient is φ = 7408132992.

The previous prime is 10805977781. The next prime is 10805977813. The reversal of 10805977805 is 50877950801.

It is a cyclic number.

It is not a de Polignac number, because 10805977805 - 2¹⁴ = 10805961421 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132872 + ... + 198158.

It is an arithmetic number, because the mean of its divisors is an integer number (926436720).

Almost surely, 2^10805977805 is an apocalyptic number.

It is an amenable number.

10805977805 is a deficient number, since it is larger than the sum of its proper divisors (4017009715).

10805977805 is an equidigital number, since it uses as much as digits as its factorization.

10805977805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70028.

The product of its (nonzero) digits is 705600, while the sum is 50.

The spelling of 10805977805 in words is "ten billion, eight hundred five million, nine hundred seventy-seven thousand, eight hundred five".