11150227565 has 4 divisors (see below), whose sum is σ = 13380273084. Its totient is φ = 8920182048.

The previous prime is 11150227519. The next prime is 11150227573. The reversal of 11150227565 is 56572205111.

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 2804126116 + 8346101449 = 52954^2 + 91357^2 .

It is a cyclic number.

It is not a de Polignac number, because 11150227565 - 2¹⁰ = 11150226541 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 1115022752 + ... + 1115022761.

It is an arithmetic number, because the mean of its divisors is an integer number (3345068271).

Almost surely, 2^11150227565 is an apocalyptic number.

It is an amenable number.

11150227565 is a deficient number, since it is larger than the sum of its proper divisors (2230045519).

11150227565 is an equidigital number, since it uses as much as digits as its factorization.

11150227565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2230045518.

The product of its (nonzero) digits is 21000, while the sum is 35.

The spelling of 11150227565 in words is "eleven billion, one hundred fifty million, two hundred twenty-seven thousand, five hundred sixty-five".