1155202303 has 2 divisors, whose sum is σ = 1155202304. Its totient is φ = 1155202302.

The previous prime is 1155202253. The next prime is 1155202333. The reversal of 1155202303 is 3032025511.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1155202303 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1155202333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 577601151 + 577601152.

It is an arithmetic number, because the mean of its divisors is an integer number (577601152).

Almost surely, 2^1155202303 is an apocalyptic number.

1155202303 is a deficient number, since it is larger than the sum of its proper divisors (1).

1155202303 is an equidigital number, since it uses as much as digits as its factorization.

1155202303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 1155202303 is about 33988.2671373520. The cubic root of 1155202303 is about 1049.2670025534.

Adding to 1155202303 its reverse (3032025511), we get a palindrome (4187227814).

The spelling of 1155202303 in words is "one billion, one hundred fifty-five million, two hundred two thousand, three hundred three".