1115273303 has 2 divisors, whose sum is σ = 1115273304. Its totient is φ = 1115273302.

The previous prime is 1115273273. The next prime is 1115273339. The reversal of 1115273303 is 3033725111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1115273303 - 2¹⁶ = 1115207767 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1115273353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 557636651 + 557636652.

It is an arithmetic number, because the mean of its divisors is an integer number (557636652).

Almost surely, 2^1115273303 is an apocalyptic number.

1115273303 is a deficient number, since it is larger than the sum of its proper divisors (1).

1115273303 is an equidigital number, since it uses as much as digits as its factorization.

1115273303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1890, while the sum is 26.

The square root of 1115273303 is about 33395.7078529562. The cubic root of 1115273303 is about 1037.0358469209.

Adding to 1115273303 its reverse (3033725111), we get a palindrome (4148998414).

The spelling of 1115273303 in words is "one billion, one hundred fifteen million, two hundred seventy-three thousand, three hundred three".