11550520243336 has 8 divisors (see below), whose sum is σ = 21657225456270. Its totient is φ = 5775260121664.

The previous prime is 11550520243259. The next prime is 11550520243351. The reversal of 11550520243336 is 63334202505511.

It can be written as a sum of positive squares in only one way, i.e., 8225710802500 + 3324809440836 = 2868050^2 + 1823406^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 721907515201 + ... + 721907515216.

Almost surely, 2^{11550520243336} is an apocalyptic number.

It is an amenable number.

11550520243336 is a deficient number, since it is larger than the sum of its proper divisors (10106705212934).

11550520243336 is a wasteful number, since it uses less digits than its factorization.

11550520243336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1443815030423 (or 1443815030419 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 40.

Adding to 11550520243336 its reverse (63334202505511), we get a palindrome (74884722748847).

The spelling of 11550520243336 in words is "eleven trillion, five hundred fifty billion, five hundred twenty million, two hundred forty-three thousand, three hundred thirty-six".