11512334133205 has 8 divisors (see below), whose sum is σ = 13814838002232. Its totient is φ = 9209842611648.

The previous prime is 11512334133199. The next prime is 11512334133217. The reversal of 11512334133205 is 50233143321511.

It can be written as a sum of positive squares in 4 ways, for example, as 347393538801 + 11164940594404 = 589401^2 + 3341398^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11512334133205 - 2³ = 11512334133197 is a prime.

It is a Duffinian number.

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 7 ways as a sum of consecutive naturals, for example, 894054 + ... + 4880983.

It is an arithmetic number, because the mean of its divisors is an integer number (1726854750279).

Almost surely, 2^{11512334133205} is an apocalyptic number.

It is an amenable number.

11512334133205 is a deficient number, since it is larger than the sum of its proper divisors (2302503869027).

11512334133205 is an equidigital number, since it uses as much as digits as its factorization.

11512334133205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6173735.

The product of its (nonzero) digits is 32400, while the sum is 34.

Adding to 11512334133205 its reverse (50233143321511), we get a palindrome (61745477454716).

The spelling of 11512334133205 in words is "eleven trillion, five hundred twelve billion, three hundred thirty-four million, one hundred thirty-three thousand, two hundred five".