12110555505 has 8 divisors (see below), whose sum is σ = 19376888832. Its totient is φ = 6458962928.

The previous prime is 12110555467. The next prime is 12110555531. The reversal of 12110555505 is 50555501121.

12110555505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 12110555505 - 2¹⁸ = 12110293361 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 403685169 + ... + 403685198.

It is an arithmetic number, because the mean of its divisors is an integer number (2422111104).

Almost surely, 2^12110555505 is an apocalyptic number.

12110555505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12110555505 is a deficient number, since it is larger than the sum of its proper divisors (7266333327).

12110555505 is an equidigital number, since it uses as much as digits as its factorization.

12110555505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 807370375.

The product of its (nonzero) digits is 6250, while the sum is 30.

The spelling of 12110555505 in words is "twelve billion, one hundred ten million, five hundred fifty-five thousand, five hundred five".