1144511103 has 8 divisors (see below), whose sum is σ = 1575241216. Its totient is φ = 738394200.

The previous prime is 1144511101. The next prime is 1144511131. The reversal of 1144511103 is 3011154411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1144511103 - 2¹ = 1144511101 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1144511103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144511101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6153193 + ... + 6153378.

It is an arithmetic number, because the mean of its divisors is an integer number (196905152).

Almost surely, 2^1144511103 is an apocalyptic number.

1144511103 is a deficient number, since it is larger than the sum of its proper divisors (430730113).

1144511103 is a wasteful number, since it uses less digits than its factorization.

1144511103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12306605.

The product of its (nonzero) digits is 240, while the sum is 21.

The square root of 1144511103 is about 33830.6237453583. The cubic root of 1144511103 is about 1046.0200361876.

Adding to 1144511103 its reverse (3011154411), we get a palindrome (4155665514).

The spelling of 1144511103 in words is "one billion, one hundred forty-four million, five hundred eleven thousand, one hundred three".