11543202368 has 56 divisors (see below), whose sum is σ = 24270745464. Its totient is φ = 5428224000.

The previous prime is 11543202343. The next prime is 11543202379. The reversal of 11543202368 is 86320234511.

It can be written as a sum of positive squares in 4 ways, for example, as 1408350784 + 10134851584 = 37528^2 + 100672^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2021918 + ... + 2027618.

It is an arithmetic number, because the mean of its divisors is an integer number (433406169).

Almost surely, 2^11543202368 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11543202368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12135372732).

11543202368 is an abundant number, since it is smaller than the sum of its proper divisors (12727543096).

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

11543202368 is a wasteful number, since it uses less digits than its factorization.

11543202368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7591 (or 7581 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 35.

Adding to 11543202368 its reverse (86320234511), we get a palindrome (97863436879).

The spelling of 11543202368 in words is "eleven billion, five hundred forty-three million, two hundred two thousand, three hundred sixty-eight".