1152065571 has 32 divisors (see below), whose sum is σ = 1686666240. Its totient is φ = 696224256.

The previous prime is 1152065569. The next prime is 1152065591. The reversal of 1152065571 is 1755602511.

It is a happy number.

It is not a de Polignac number, because 1152065571 - 2¹ = 1152065569 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1152065501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 867510 + ... + 868836.

It is an arithmetic number, because the mean of its divisors is an integer number (52708320).

Almost surely, 2^1152065571 is an apocalyptic number.

1152065571 is a deficient number, since it is larger than the sum of its proper divisors (534600669).

1152065571 is a wasteful number, since it uses less digits than its factorization.

1152065571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1963.

The product of its (nonzero) digits is 10500, while the sum is 33.

The square root of 1152065571 is about 33942.0914352666. The cubic root of 1152065571 is about 1048.3164467314.

The spelling of 1152065571 in words is "one billion, one hundred fifty-two million, sixty-five thousand, five hundred seventy-one".