111011231040 has 112 divisors (see below), whose sum is σ = 352542238272. Its totient is φ = 29596143616.

The previous prime is 111011231027. The next prime is 111011231063. The reversal of 111011231040 is 40132110111.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent 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, 5189647 + ... + 5210993.

It is an arithmetic number, because the mean of its divisors is an integer number (3147698556).

Almost surely, 2^111011231040 is an apocalyptic number.

111011231040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111011231040 is an abundant number, since it is smaller than the sum of its proper divisors (241531007232).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111011231040 is a wasteful number, since it uses less digits than its factorization.

111011231040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26784 (or 26774 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 111011231040 its reverse (40132110111), we get a palindrome (151143341151).

The spelling of 111011231040 in words is "one hundred eleven billion, eleven million, two hundred thirty-one thousand, forty".