111111111004 has 12 divisors (see below), whose sum is σ = 194451917184. Its totient is φ = 55553420384.

The previous prime is 111111110947. The next prime is 111111111017. The reversal of 111111111004 is 400111111111.

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, 413689 + ... + 627184.

It is an arithmetic number, because the mean of its divisors is an integer number (16204326432).

Almost surely, 2^111111111004 is an apocalyptic number.

It is an amenable number.

111111111004 is a deficient number, since it is larger than the sum of its proper divisors (83340806180).

111111111004 is a wasteful number, since it uses less digits than its factorization.

111111111004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1067564 (or 1067562 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 111111111004 its reverse (400111111111), we get a palindrome (511222222115).

The spelling of 111111111004 in words is "one hundred eleven billion, one hundred eleven million, one hundred eleven thousand, four".