11056545065 has 8 divisors (see below), whose sum is σ = 13576409088. Its totient is φ = 8639532720.

The previous prime is 11056545053. The next prime is 11056545067. The reversal of 11056545065 is 56054565011.

It is a happy number.

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

It is not a de Polignac number, because 11056545065 - 2⁶ = 11056545001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11056545067) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25712681 + ... + 25713110.

It is an arithmetic number, because the mean of its divisors is an integer number (1697051136).

Almost surely, 2^11056545065 is an apocalyptic number.

It is an amenable number.

11056545065 is a deficient number, since it is larger than the sum of its proper divisors (2519864023).

11056545065 is an equidigital number, since it uses as much as digits as its factorization.

11056545065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51425839.

The product of its (nonzero) digits is 90000, while the sum is 38.

The spelling of 11056545065 in words is "eleven billion, fifty-six million, five hundred forty-five thousand, sixty-five".