1111141287188 has 12 divisors (see below), whose sum is σ = 1946641136832. Its totient is φ = 554958105240.

The previous prime is 1111141287119. The next prime is 1111141287203. The reversal of 1111141287188 is 8817821411111.

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, 153130508 + ... + 153137763.

It is an arithmetic number, because the mean of its divisors is an integer number (162220094736).

Almost surely, 2^{1111141287188} is an apocalyptic number.

It is an amenable number.

1111141287188 is a deficient number, since it is larger than the sum of its proper divisors (835499849644).

1111141287188 is a wasteful number, since it uses less digits than its factorization.

1111141287188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306269182 (or 306269180 counting only the distinct ones).

The product of its digits is 28672, while the sum is 44.

Adding to 1111141287188 its reverse (8817821411111), we get a palindrome (9928962698299).

The spelling of 1111141287188 in words is "one trillion, one hundred eleven billion, one hundred forty-one million, two hundred eighty-seven thousand, one hundred eighty-eight".