1155541363 has 2 divisors, whose sum is σ = 1155541364. Its totient is φ = 1155541362.

The previous prime is 1155541327. The next prime is 1155541381. The reversal of 1155541363 is 3631455511.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1155541363 - 2⁹ = 1155540851 is a prime.

It is not a weakly prime, because it can be changed into another prime (1155541313) 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, 577770681 + 577770682.

It is an arithmetic number, because the mean of its divisors is an integer number (577770682).

Almost surely, 2^1155541363 is an apocalyptic number.

1155541363 is a deficient number, since it is larger than the sum of its proper divisors (1).

1155541363 is an equidigital number, since it uses as much as digits as its factorization.

1155541363 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27000, while the sum is 34.

The square root of 1155541363 is about 33993.2546691252. The cubic root of 1155541363 is about 1049.3696482597.

Adding to 1155541363 its reverse (3631455511), we get a palindrome (4786996874).

The spelling of 1155541363 in words is "one billion, one hundred fifty-five million, five hundred forty-one thousand, three hundred sixty-three".