11118206864 has 20 divisors (see below), whose sum is σ = 21947971356. Its totient is φ = 5454214272.

The previous prime is 11118206861. The next prime is 11118206881. The reversal of 11118206864 is 46860281111.

11118206864 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 7411832464 + 3706374400 = 86092^2 + 60880^2 .

It is a super-2 number, since 2×11118206864² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11118206861) 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 3 ways as a sum of consecutive naturals, for example, 6554699 + ... + 6556394.

Almost surely, 2^11118206864 is an apocalyptic number.

It is an amenable number.

11118206864 is a deficient number, since it is larger than the sum of its proper divisors (10829764492).

11118206864 is a wasteful number, since it uses less digits than its factorization.

11118206864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13111154 (or 13111148 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 38.

Adding to 11118206864 its reverse (46860281111), we get a palindrome (57978487975).

The spelling of 11118206864 in words is "eleven billion, one hundred eighteen million, two hundred six thousand, eight hundred sixty-four".