111123344460 has 48 divisors (see below), whose sum is σ = 315789336576. Its totient is φ = 29190608832.

The previous prime is 111123344459. The next prime is 111123344509. The reversal of 111123344460 is 64443321111.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13817292 + ... + 13825331.

It is an arithmetic number, because the mean of its divisors is an integer number (6578944512).

Almost surely, 2^111123344460 is an apocalyptic number.

111123344460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111123344460 is an abundant number, since it is smaller than the sum of its proper divisors (204665992116).

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

111123344460 is a wasteful number, since it uses less digits than its factorization.

111123344460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27642702 (or 27642700 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

Adding to 111123344460 its reverse (64443321111), we get a palindrome (175566665571).

The spelling of 111123344460 in words is "one hundred eleven billion, one hundred twenty-three million, three hundred forty-four thousand, four hundred sixty".