111404043506 has 32 divisors (see below), whose sum is σ = 197952878592. Its totient is φ = 46031285520.

The previous prime is 111404043473. The next prime is 111404043533. The reversal of 111404043506 is 605340404111.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1219400 + ... + 1307571.

It is an arithmetic number, because the mean of its divisors is an integer number (6186027456).

Almost surely, 2^111404043506 is an apocalyptic number.

111404043506 is a deficient number, since it is larger than the sum of its proper divisors (86548835086).

111404043506 is a wasteful number, since it uses less digits than its factorization.

111404043506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2527094.

The product of its (nonzero) digits is 5760, while the sum is 29.

Adding to 111404043506 its reverse (605340404111), we get a palindrome (716744447617).

The spelling of 111404043506 in words is "one hundred eleven billion, four hundred four million, forty-three thousand, five hundred six".