1156052305 has 8 divisors (see below), whose sum is σ = 1401565032. Its totient is φ = 915307008.

The previous prime is 1156052273. The next prime is 1156052351. The reversal of 1156052305 is 5032506511.

It can be written as a sum of positive squares in 4 ways, for example, as 4875264 + 1151177041 = 2208^2 + 33929^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1156052305 - 2⁵ = 1156052273 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1191322 + ... + 1192291.

It is an arithmetic number, because the mean of its divisors is an integer number (175195629).

Almost surely, 2^1156052305 is an apocalyptic number.

It is an amenable number.

1156052305 is a deficient number, since it is larger than the sum of its proper divisors (245512727).

1156052305 is an equidigital number, since it uses as much as digits as its factorization.

1156052305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2383715.

The product of its (nonzero) digits is 4500, while the sum is 28.

The square root of 1156052305 is about 34000.7691824759. The cubic root of 1156052305 is about 1049.5242909344.

Adding to 1156052305 its reverse (5032506511), we get a palindrome (6188558816).

The spelling of 1156052305 in words is "one billion, one hundred fifty-six million, fifty-two thousand, three hundred five".