11513211206268 has 12 divisors (see below), whose sum is σ = 26864159481320. Its totient is φ = 3837737068752.

The previous prime is 11513211206257. The next prime is 11513211206293. The reversal of 11513211206268 is 86260211231511.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 479717133583 + ... + 479717133606.

Almost surely, 2^{11513211206268} is an apocalyptic number.

It is an amenable number.

11513211206268 is an abundant number, since it is smaller than the sum of its proper divisors (15350948275052).

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

11513211206268 is a wasteful number, since it uses less digits than its factorization.

11513211206268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 959434267196 (or 959434267194 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 39.

Adding to 11513211206268 its reverse (86260211231511), we get a palindrome (97773422437779).

The spelling of 11513211206268 in words is "eleven trillion, five hundred thirteen billion, two hundred eleven million, two hundred six thousand, two hundred sixty-eight".