1144111104 has 90 divisors (see below), whose sum is σ = 3305534960. Its totient is φ = 381321216.

The previous prime is 1144111097. The next prime is 1144111117. The reversal of 1144111104 is 4011114411.

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 pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 143577 + ... + 151335.

Almost surely, 2^1144111104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1144111104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1652767480).

1144111104 is an abundant number, since it is smaller than the sum of its proper divisors (2161423856).

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

1144111104 is an frugal number, since it uses more digits than its factorization.

1144111104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7793 (or 7764 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

The square root of 1144111104 is about 33824.7114400108. The cubic root of 1144111104 is about 1045.8981629789.

Adding to 1144111104 its reverse (4011114411), we get a palindrome (5155225515).

The spelling of 1144111104 in words is "one billion, one hundred forty-four million, one hundred eleven thousand, one hundred four".