11545456163 has 4 divisors (see below), whose sum is σ = 11549260800. Its totient is φ = 11541651528.

The previous prime is 11545456157. The next prime is 11545456171. The reversal of 11545456163 is 36165454511.

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

It is a cyclic number.

It is not a de Polignac number, because 11545456163 - 2⁶ = 11545456099 is a prime.

It is a super-3 number, since 3×11545456163³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11545456163.

It is not an unprimeable number, because it can be changed into a prime (11545456103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1897763 + ... + 1903836.

It is an arithmetic number, because the mean of its divisors is an integer number (2887315200).

Almost surely, 2^11545456163 is an apocalyptic number.

11545456163 is a deficient number, since it is larger than the sum of its proper divisors (3804637).

11545456163 is an equidigital number, since it uses as much as digits as its factorization.

11545456163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3804636.

The product of its digits is 216000, while the sum is 41.

The spelling of 11545456163 in words is "eleven billion, five hundred forty-five million, four hundred fifty-six thousand, one hundred sixty-three".