1156052303 has 16 divisors (see below), whose sum is σ = 1341881856. Its totient is φ = 975478560.

The previous prime is 1156052273. The next prime is 1156052351. The reversal of 1156052303 is 3032506511.

It is not a de Polignac number, because 1156052303 - 2³⁰ = 82310479 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1156052393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 166838 + ... + 173628.

It is an arithmetic number, because the mean of its divisors is an integer number (83867616).

Almost surely, 2^1156052303 is an apocalyptic number.

1156052303 is a deficient number, since it is larger than the sum of its proper divisors (185829553).

1156052303 is an equidigital number, since it uses as much as digits as its factorization.

1156052303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7174.

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 1156052303 is about 34000.7691530648. The cubic root of 1156052303 is about 1049.5242903291.

Adding to 1156052303 its reverse (3032506511), we get a palindrome (4188558814).

The spelling of 1156052303 in words is "one billion, one hundred fifty-six million, fifty-two thousand, three hundred three".