11141042449 has 2 divisors, whose sum is σ = 11141042450. Its totient is φ = 11141042448.

The previous prime is 11141042447. The next prime is 11141042467. The reversal of 11141042449 is 94424014111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9761440000 + 1379602449 = 98800^2 + 37143^2 .

It is a cyclic number.

It is not a de Polignac number, because 11141042449 - 2¹ = 11141042447 is a prime.

Together with 11141042447, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 11141042449.

It is not a weakly prime, because it can be changed into another prime (11141042447) by changing a digit.

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 as a sum of consecutive naturals, namely, 5570521224 + 5570521225.

It is an arithmetic number, because the mean of its divisors is an integer number (5570521225).

Almost surely, 2^11141042449 is an apocalyptic number.

It is an amenable number.

11141042449 is a deficient number, since it is larger than the sum of its proper divisors (1).

11141042449 is an equidigital number, since it uses as much as digits as its factorization.

11141042449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 31.

The spelling of 11141042449 in words is "eleven billion, one hundred forty-one million, forty-two thousand, four hundred forty-nine".