11428951080205 has 8 divisors (see below), whose sum is σ = 13714783074072. Its totient is φ = 9143133012288.

The previous prime is 11428951080199. The next prime is 11428951080233. The reversal of 11428951080205 is 50208015982411.

It can be written as a sum of positive squares in 4 ways, for example, as 12681912996 + 11416269167209 = 112614^2 + 3378797^2 .

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 11428951080205 - 2³⁷ = 11291512126733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1581714 + ... + 5035843.

It is an arithmetic number, because the mean of its divisors is an integer number (1714347884259).

Almost surely, 2^{11428951080205} is an apocalyptic number.

It is an amenable number.

11428951080205 is a deficient number, since it is larger than the sum of its proper divisors (2285831993867).

11428951080205 is an equidigital number, since it uses as much as digits as its factorization.

11428951080205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6962975.

The product of its (nonzero) digits is 230400, while the sum is 46.

The spelling of 11428951080205 in words is "eleven trillion, four hundred twenty-eight billion, nine hundred fifty-one million, eighty thousand, two hundred five".