11155200563 has 4 divisors (see below), whose sum is σ = 12013292928. Its totient is φ = 10297108200.

The previous prime is 11155200547. The next prime is 11155200587. The reversal of 11155200563 is 36500255111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36500255111 = 10789 ⋅3383099.

It is a cyclic number.

It is not a de Polignac number, because 11155200563 - 2⁴ = 11155200547 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11155220563) 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, 429046163 + ... + 429046188.

It is an arithmetic number, because the mean of its divisors is an integer number (3003323232).

Almost surely, 2^11155200563 is an apocalyptic number.

11155200563 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11155200563 is a deficient number, since it is larger than the sum of its proper divisors (858092365).

11155200563 is an equidigital number, since it uses as much as digits as its factorization.

11155200563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 858092364.

The product of its (nonzero) digits is 4500, while the sum is 29.

Adding to 11155200563 its reverse (36500255111), we get a palindrome (47655455674).

The spelling of 11155200563 in words is "eleven billion, one hundred fifty-five million, two hundred thousand, five hundred sixty-three".