11563231248 has 160 divisors (see below), whose sum is σ = 34900444800. Its totient is φ = 3660249600.

The previous prime is 11563231151. The next prime is 11563231327. The reversal of 11563231248 is 84213236511.

11563231248 is a `hidden beast` number, since 1 + 1 + 5 + 632 + 3 + 12 + 4 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 756643 + ... + 771773.

It is an arithmetic number, because the mean of its divisors is an integer number (218127780).

Almost surely, 2^11563231248 is an apocalyptic number.

11563231248 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11563231248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17450222400).

11563231248 is an abundant number, since it is smaller than the sum of its proper divisors (23337213552).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11563231248 is a wasteful number, since it uses less digits than its factorization.

11563231248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15238 (or 15226 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

Adding to 11563231248 its reverse (84213236511), we get a palindrome (95776467759).

The spelling of 11563231248 in words is "eleven billion, five hundred sixty-three million, two hundred thirty-one thousand, two hundred forty-eight".