11646521332113 has 16 divisors (see below), whose sum is σ = 15546929368320. Its totient is φ = 7755233365776.

The previous prime is 11646521332087. The next prime is 11646521332283. The reversal of 11646521332113 is 31123312564611.

It is not a de Polignac number, because 11646521332113 - 2¹⁰ = 11646521331089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11646521333113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15614506 + ... + 16343372.

It is an arithmetic number, because the mean of its divisors is an integer number (971683085520).

Almost surely, 2^{11646521332113} is an apocalyptic number.

It is an amenable number.

11646521332113 is a deficient number, since it is larger than the sum of its proper divisors (3900408036207).

11646521332113 is a wasteful number, since it uses less digits than its factorization.

11646521332113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 735116.

The product of its digits is 77760, while the sum is 39.

Adding to 11646521332113 its reverse (31123312564611), we get a palindrome (42769833896724).

The spelling of 11646521332113 in words is "eleven trillion, six hundred forty-six billion, five hundred twenty-one million, three hundred thirty-two thousand, one hundred thirteen".