11445662456512 has 56 divisors (see below), whose sum is σ = 23775360924672. Its totient is φ = 5460220550400.

The previous prime is 11445662456497. The next prime is 11445662456519. The reversal of 11445662456512 is 21565426654411.

It is a super-2 number, since 2×11445662456512² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11445662456512.

It is not an unprimeable number, because it can be changed into a prime (11445662456519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40485778 + ... + 40767505.

It is an arithmetic number, because the mean of its divisors is an integer number (424560016512).

Almost surely, 2^{11445662456512} is an apocalyptic number.

It is an amenable number.

11445662456512 is an abundant number, since it is smaller than the sum of its proper divisors (12329698468160).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11445662456512 is an equidigital number, since it uses as much as digits as its factorization.

11445662456512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81253397 (or 81253387 counting only the distinct ones).

The product of its digits is 6912000, while the sum is 52.

The spelling of 11445662456512 in words is "eleven trillion, four hundred forty-five billion, six hundred sixty-two million, four hundred fifty-six thousand, five hundred twelve".