111105400044 has 12 divisors (see below), whose sum is σ = 259245933464. Its totient is φ = 37035133344.

The previous prime is 111105400037. The next prime is 111105400067. The reversal of 111105400044 is 440004501111.

It is a tau number, because it is divible by the number of its divisors (12).

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 3 ways as a sum of consecutive naturals, for example, 4629391657 + ... + 4629391680.

Almost surely, 2^111105400044 is an apocalyptic number.

It is an amenable number.

111105400044 is an abundant number, since it is smaller than the sum of its proper divisors (148140533420).

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

111105400044 is a wasteful number, since it uses less digits than its factorization.

111105400044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9258783344 (or 9258783342 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 21.

Adding to 111105400044 its reverse (440004501111), we get a palindrome (551109901155).

The spelling of 111105400044 in words is "one hundred eleven billion, one hundred five million, four hundred thousand, forty-four".