11520654343013 has 32 divisors (see below), whose sum is σ = 12544588454400. Its totient is φ = 10540554264576.

The previous prime is 11520654342983. The next prime is 11520654343031. The reversal of 11520654343013 is 31034345602511.

It is a cyclic number.

It is not a de Polignac number, because 11520654343013 - 2⁴² = 7122607831909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11520654363013) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 24872228 + ... + 25331186.

It is an arithmetic number, because the mean of its divisors is an integer number (392018389200).

Almost surely, 2^{11520654343013} is an apocalyptic number.

It is an amenable number.

11520654343013 is a deficient number, since it is larger than the sum of its proper divisors (1023934111387).

11520654343013 is a wasteful number, since it uses less digits than its factorization.

11520654343013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459341.

The product of its (nonzero) digits is 129600, while the sum is 38.

Adding to 11520654343013 its reverse (31034345602511), we get a palindrome (42554999945524).

The spelling of 11520654343013 in words is "eleven trillion, five hundred twenty billion, six hundred fifty-four million, three hundred forty-three thousand, thirteen".