111134144140 has 24 divisors (see below), whose sum is σ = 238809186000. Its totient is φ = 43419851328.

The previous prime is 111134144089. The next prime is 111134144159. The reversal of 111134144140 is 41441431111.

It is a happy 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 7 ways as a sum of consecutive naturals, for example, 64612015 + ... + 64613734.

It is an arithmetic number, because the mean of its divisors is an integer number (9950382750).

Almost surely, 2^111134144140 is an apocalyptic number.

111134144140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111134144140 is an abundant number, since it is smaller than the sum of its proper divisors (127675041860).

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

111134144140 is a wasteful number, since it uses less digits than its factorization.

111134144140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129225801 (or 129225799 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 25.

Adding to 111134144140 its reverse (41441431111), we get a palindrome (152575575251).

The spelling of 111134144140 in words is "one hundred eleven billion, one hundred thirty-four million, one hundred forty-four thousand, one hundred forty".