11117248563 has 4 divisors (see below), whose sum is σ = 14822998088. Its totient is φ = 7411499040.

The previous prime is 11117248553. The next prime is 11117248601. The reversal of 11117248563 is 36584271111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36584271111 = 3 ⋅12194757037.

It is not a de Polignac number, because 11117248563 - 2⁴ = 11117248547 is a prime.

It is a super-2 number, since 2×11117248563² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11117248543) 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, 1852874758 + ... + 1852874763.

It is an arithmetic number, because the mean of its divisors is an integer number (3705749522).

Almost surely, 2^11117248563 is an apocalyptic number.

11117248563 is a deficient number, since it is larger than the sum of its proper divisors (3705749525).

11117248563 is an equidigital number, since it uses as much as digits as its factorization.

11117248563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3705749524.

The product of its digits is 40320, while the sum is 39.

The spelling of 11117248563 in words is "eleven billion, one hundred seventeen million, two hundred forty-eight thousand, five hundred sixty-three".