11212827065 has 16 divisors (see below), whose sum is σ = 14708540736. Its totient is φ = 8138155200.

The previous prime is 11212827049. The next prime is 11212827089. The reversal of 11212827065 is 56072821211.

11212827065 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 11212827065 - 2⁴ = 11212827049 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 180602 + ... + 234611.

It is an arithmetic number, because the mean of its divisors is an integer number (919283796).

Almost surely, 2^11212827065 is an apocalyptic number.

It is an amenable number.

11212827065 is a deficient number, since it is larger than the sum of its proper divisors (3495713671).

11212827065 is a wasteful number, since it uses less digits than its factorization.

11212827065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415720.

The product of its (nonzero) digits is 13440, while the sum is 35.

The spelling of 11212827065 in words is "eleven billion, two hundred twelve million, eight hundred twenty-seven thousand, sixty-five".