11163950563 has 4 divisors (see below), whose sum is σ = 11346966208. Its totient is φ = 10980934920.

The previous prime is 11163950543. The next prime is 11163950591. The reversal of 11163950563 is 36505936111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36505936111 = 107 ⋅341176973.

It is a cyclic number.

It is not a de Polignac number, because 11163950563 - 2¹³ = 11163942371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11163950513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91507731 + ... + 91507852.

It is an arithmetic number, because the mean of its divisors is an integer number (2836741552).

Almost surely, 2^11163950563 is an apocalyptic number.

11163950563 is a deficient number, since it is larger than the sum of its proper divisors (183015645).

11163950563 is an equidigital number, since it uses as much as digits as its factorization.

11163950563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183015644.

The product of its (nonzero) digits is 72900, while the sum is 40.

The spelling of 11163950563 in words is "eleven billion, one hundred sixty-three million, nine hundred fifty thousand, five hundred sixty-three".