1153112449 has 2 divisors, whose sum is σ = 1153112450. Its totient is φ = 1153112448.

The previous prime is 1153112407. The next prime is 1153112503. The reversal of 1153112449 is 9442113511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 969699600 + 183412849 = 31140^2 + 13543^2 .

It is an emirp because it is prime and its reverse (9442113511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1153112449 - 2⁷ = 1153112321 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1153112449.

It is not a weakly prime, because it can be changed into another prime (1153110449) 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, 576556224 + 576556225.

It is an arithmetic number, because the mean of its divisors is an integer number (576556225).

Almost surely, 2^1153112449 is an apocalyptic number.

It is an amenable number.

1153112449 is a deficient number, since it is larger than the sum of its proper divisors (1).

1153112449 is an equidigital number, since it uses as much as digits as its factorization.

1153112449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4320, while the sum is 31.

The square root of 1153112449 is about 33957.5094640346. The cubic root of 1153112449 is about 1048.6338844425.

The spelling of 1153112449 in words is "one billion, one hundred fifty-three million, one hundred twelve thousand, four hundred forty-nine".