1152216617 has 4 divisors (see below), whose sum is σ = 1171105476. Its totient is φ = 1133327760.

The previous prime is 1152216551. The next prime is 1152216619. The reversal of 1152216617 is 7166122511.

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 360582121 + 791634496 = 18989^2 + 28136^2 .

It is a cyclic number.

It is not a de Polignac number, because 1152216617 - 2¹⁴ = 1152200233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1152216619) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9444338 + ... + 9444459.

It is an arithmetic number, because the mean of its divisors is an integer number (292776369).

Almost surely, 2^1152216617 is an apocalyptic number.

It is an amenable number.

1152216617 is a deficient number, since it is larger than the sum of its proper divisors (18888859).

1152216617 is an equidigital number, since it uses as much as digits as its factorization.

1152216617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18888858.

The product of its digits is 5040, while the sum is 32.

The square root of 1152216617 is about 33944.3164167435. The cubic root of 1152216617 is about 1048.3622592530.

The spelling of 1152216617 in words is "one billion, one hundred fifty-two million, two hundred sixteen thousand, six hundred seventeen".