11548750087409 has 2 divisors, whose sum is σ = 11548750087410. Its totient is φ = 11548750087408.

The previous prime is 11548750087339. The next prime is 11548750087421. The reversal of 11548750087409 is 90478005784511.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9283770237184 + 2264979850225 = 3046928^2 + 1504985^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11548750087409 is a prime.

It is not a weakly prime, because it can be changed into another prime (11548750087909) by changing a digit.

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 as a sum of consecutive naturals, namely, 5774375043704 + 5774375043705.

It is an arithmetic number, because the mean of its divisors is an integer number (5774375043705).

Almost surely, 2^{11548750087409} is an apocalyptic number.

It is an amenable number.

11548750087409 is a deficient number, since it is larger than the sum of its proper divisors (1).

11548750087409 is an equidigital number, since it uses as much as digits as its factorization.

11548750087409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11289600, while the sum is 59.

The spelling of 11548750087409 in words is "eleven trillion, five hundred forty-eight billion, seven hundred fifty million, eighty-seven thousand, four hundred nine".