1152213563 has 4 divisors (see below), whose sum is σ = 1152345168. Its totient is φ = 1152081960.

The previous prime is 1152213527. The next prime is 1152213581. The reversal of 1152213563 is 3653122511.

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

It is a cyclic number.

It is not a de Polignac number, because 1152213563 - 2¹⁸ = 1151951419 is a prime.

It is a super-2 number, since 2×1152213563² = 2655192189522309938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1152213583) 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, 51656 + ... + 70517.

It is an arithmetic number, because the mean of its divisors is an integer number (288086292).

Almost surely, 2^1152213563 is an apocalyptic number.

1152213563 is a deficient number, since it is larger than the sum of its proper divisors (131605).

1152213563 is an equidigital number, since it uses as much as digits as its factorization.

1152213563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131604.

The product of its digits is 5400, while the sum is 29.

The square root of 1152213563 is about 33944.2714312739. The cubic root of 1152213563 is about 1048.3613330090.

The spelling of 1152213563 in words is "one billion, one hundred fifty-two million, two hundred thirteen thousand, five hundred sixty-three".