11281495249 has 8 divisors (see below), whose sum is σ = 11602235240. Its totient is φ = 10961588736.

The previous prime is 11281495241. The next prime is 11281495301. The reversal of 11281495249 is 94259418211.

11281495249 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 7013225025 + 4268270224 = 83745^2 + 65332^2 .

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 11281495249 - 2³ = 11281495241 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11281495199 and 11281495208.

It is not an unprimeable number, because it can be changed into a prime (11281495241) by changing a digit.

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, 180864 + ... + 235105.

It is an arithmetic number, because the mean of its divisors is an integer number (1450279405).

Almost surely, 2^11281495249 is an apocalyptic number.

It is an amenable number.

11281495249 is a deficient number, since it is larger than the sum of its proper divisors (320739991).

11281495249 is an equidigital number, since it uses as much as digits as its factorization.

11281495249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416739.

The product of its digits is 207360, while the sum is 46.

The spelling of 11281495249 in words is "eleven billion, two hundred eighty-one million, four hundred ninety-five thousand, two hundred forty-nine".