11227711065 has 32 divisors (see below), whose sum is σ = 18333941760. Its totient is φ = 5865290496.

The previous prime is 11227711063. The next prime is 11227711109. The reversal of 11227711065 is 56011772211.

11227711065 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11227711065 - 2¹ = 11227711063 is a prime.

It is a super-2 number, since 2×11227711065² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11227711063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 475816 + ... + 498854.

It is an arithmetic number, because the mean of its divisors is an integer number (572935680).

Almost surely, 2^11227711065 is an apocalyptic number.

11227711065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11227711065 is a deficient number, since it is larger than the sum of its proper divisors (7106230695).

11227711065 is a wasteful number, since it uses less digits than its factorization.

11227711065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23713.

The product of its (nonzero) digits is 5880, while the sum is 33.

The spelling of 11227711065 in words is "eleven billion, two hundred twenty-seven million, seven hundred eleven thousand, sixty-five".