111004401204 has 18 divisors (see below), whose sum is σ = 280594458690. Its totient is φ = 37001467056.

The previous prime is 111004401133. The next prime is 111004401223. The reversal of 111004401204 is 402104400111.

111004401204 is a `hidden beast` number, since 1 + 1 + 100 + 440 + 120 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 90569698704 + 20434702500 = 300948^2 + 142950^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1541727759 + ... + 1541727830.

Almost surely, 2^111004401204 is an apocalyptic number.

It is an amenable number.

111004401204 is an abundant number, since it is smaller than the sum of its proper divisors (169590057486).

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

111004401204 is a wasteful number, since it uses less digits than its factorization.

111004401204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3083455599 (or 3083455594 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 111004401204 its reverse (402104400111), we get a palindrome (513108801315).

The spelling of 111004401204 in words is "one hundred eleven billion, four million, four hundred one thousand, two hundred four".