11520665564546 has 8 divisors (see below), whose sum is σ = 17309467868160. Its totient is φ = 5750842941828.

The previous prime is 11520665564539. The next prime is 11520665564557. The reversal of 11520665564546 is 64546556602511.

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

It is a super-2 number, since 2×11520665564546² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11520665564491 and 11520665564500.

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, 4744918706 + ... + 4744921133.

It is an arithmetic number, because the mean of its divisors is an integer number (2163683483520).

Almost surely, 2^{11520665564546} is an apocalyptic number.

11520665564546 is a deficient number, since it is larger than the sum of its proper divisors (5788802303614).

11520665564546 is an equidigital number, since it uses as much as digits as its factorization.

11520665564546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9489840448.

The product of its (nonzero) digits is 25920000, while the sum is 56.

The spelling of 11520665564546 in words is "eleven trillion, five hundred twenty billion, six hundred sixty-five million, five hundred sixty-four thousand, five hundred forty-six".