1144111163 has 24 divisors (see below), whose sum is σ = 1311011856. Its totient is φ = 992347200.

The previous prime is 1144111153. The next prime is 1144111207. The reversal of 1144111163 is 3611114411.

It is not a de Polignac number, because 1144111163 - 2¹⁰ = 1144110139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1144111153) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 613853 + ... + 615713.

It is an arithmetic number, because the mean of its divisors is an integer number (54625494).

Almost surely, 2^1144111163 is an apocalyptic number.

1144111163 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1144111163 is a deficient number, since it is larger than the sum of its proper divisors (166900693).

1144111163 is a wasteful number, since it uses less digits than its factorization.

1144111163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2043 (or 2024 counting only the distinct ones).

The product of its digits is 288, while the sum is 23.

The square root of 1144111163 is about 33824.7123121543. The cubic root of 1144111163 is about 1045.8981809574.

Adding to 1144111163 its reverse (3611114411), we get a palindrome (4755225574).

The spelling of 1144111163 in words is "one billion, one hundred forty-four million, one hundred eleven thousand, one hundred sixty-three".