11520654343213 has 16 divisors (see below), whose sum is σ = 11649141360000. Its totient is φ = 11392561152000.

The previous prime is 11520654343193. The next prime is 11520654343273. The reversal of 11520654343213 is 31234345602511.

11520654343213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 11520654343213 - 2²⁹ = 11520117472301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11520654343273) 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, 342849613 + ... + 342883213.

It is an arithmetic number, because the mean of its divisors is an integer number (728071335000).

Almost surely, 2^{11520654343213} is an apocalyptic number.

It is an amenable number.

11520654343213 is a deficient number, since it is larger than the sum of its proper divisors (128487016787).

11520654343213 is a wasteful number, since it uses less digits than its factorization.

11520654343213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39348.

The product of its (nonzero) digits is 259200, while the sum is 40.

Adding to 11520654343213 its reverse (31234345602511), we get a palindrome (42754999945724).

The spelling of 11520654343213 in words is "eleven trillion, five hundred twenty billion, six hundred fifty-four million, three hundred forty-three thousand, two hundred thirteen".