1111401444 has 12 divisors (see below), whose sum is σ = 2593270064. Its totient is φ = 370467144.

The previous prime is 1111401439. The next prime is 1111401463. The reversal of 1111401444 is 4441041111.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1111401444.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46308382 + ... + 46308405.

Almost surely, 2^1111401444 is an apocalyptic number.

It is an amenable number.

1111401444 is an abundant number, since it is smaller than the sum of its proper divisors (1481868620).

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

1111401444 is a wasteful number, since it uses less digits than its factorization.

1111401444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92616794 (or 92616792 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

The square root of 1111401444 is about 33337.6880422143. The cubic root of 1111401444 is about 1035.8343739739.

Adding to 1111401444 its reverse (4441041111), we get a palindrome (5552442555).

The spelling of 1111401444 in words is "one billion, one hundred eleven million, four hundred one thousand, four hundred forty-four".