1152216577 has 4 divisors (see below), whose sum is σ = 1156500180. Its totient is φ = 1147932976.

The previous prime is 1152216551. The next prime is 1152216619. The reversal of 1152216577 is 7756122511.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 537126976 + 615089601 = 23176^2 + 24801^2 .

It is a cyclic number.

It is not a de Polignac number, because 1152216577 - 2²³ = 1143827969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1152216077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2141398 + ... + 2141935.

It is an arithmetic number, because the mean of its divisors is an integer number (289125045).

Almost surely, 2^1152216577 is an apocalyptic number.

It is an amenable number.

1152216577 is a deficient number, since it is larger than the sum of its proper divisors (4283603).

1152216577 is an equidigital number, since it uses as much as digits as its factorization.

1152216577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4283602.

The product of its digits is 29400, while the sum is 37.

The square root of 1152216577 is about 33944.3158275432. The cubic root of 1152216577 is about 1048.3622471214.

The spelling of 1152216577 in words is "one billion, one hundred fifty-two million, two hundred sixteen thousand, five hundred seventy-seven".