11206532563 has 4 divisors (see below), whose sum is σ = 11235341520. Its totient is φ = 11177723608.

The previous prime is 11206532483. The next prime is 11206532567. The reversal of 11206532563 is 36523560211.

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 11206532563 - 2¹⁷ = 11206401491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11206532567) 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, 14403895 + ... + 14404672.

It is an arithmetic number, because the mean of its divisors is an integer number (2808835380).

Almost surely, 2^11206532563 is an apocalyptic number.

11206532563 is a deficient number, since it is larger than the sum of its proper divisors (28808957).

11206532563 is an equidigital number, since it uses as much as digits as its factorization.

11206532563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28808956.

The product of its (nonzero) digits is 32400, while the sum is 34.

The spelling of 11206532563 in words is "eleven billion, two hundred six million, five hundred thirty-two thousand, five hundred sixty-three".