11456550145 has 4 divisors (see below), whose sum is σ = 13747860180. Its totient is φ = 9165240112.

The previous prime is 11456550103. The next prime is 11456550163. The reversal of 11456550145 is 54105565411.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4782967281 + 6673582864 = 69159^2 + 81692^2 .

It is a cyclic number.

It is not a de Polignac number, because 11456550145 - 2⁹ = 11456549633 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1145655010 + ... + 1145655019.

It is an arithmetic number, because the mean of its divisors is an integer number (3436965045).

Almost surely, 2^11456550145 is an apocalyptic number.

It is an amenable number.

11456550145 is a deficient number, since it is larger than the sum of its proper divisors (2291310035).

11456550145 is an equidigital number, since it uses as much as digits as its factorization.

11456550145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2291310034.

The product of its (nonzero) digits is 60000, while the sum is 37.

The spelling of 11456550145 in words is "eleven billion, four hundred fifty-six million, five hundred fifty thousand, one hundred forty-five".