11111061868 has 12 divisors (see below), whose sum is σ = 19475876952. Its totient is φ = 5546525600.

The previous prime is 11111061839. The next prime is 11111061877. The reversal of 11111061868 is 86816011111.

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, 2248558 + ... + 2253493.

It is an arithmetic number, because the mean of its divisors is an integer number (1622989746).

Almost surely, 2^11111061868 is an apocalyptic number.

It is an amenable number.

11111061868 is a deficient number, since it is larger than the sum of its proper divisors (8364815084).

11111061868 is a wasteful number, since it uses less digits than its factorization.

11111061868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4502672 (or 4502670 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 34.

Adding to 11111061868 its reverse (86816011111), we get a palindrome (97927072979).

The spelling of 11111061868 in words is "eleven billion, one hundred eleven million, sixty-one thousand, eight hundred sixty-eight".