1144663411 has 4 divisors (see below), whose sum is σ = 1155776752. Its totient is φ = 1133550072.

The previous prime is 1144663381. The next prime is 1144663439. The reversal of 1144663411 is 1143664411.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1143664411 = 283 ⋅4041217.

It is a cyclic number.

It is not a de Polignac number, because 1144663411 - 2⁷ = 1144663283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1144663111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5556516 + ... + 5556721.

It is an arithmetic number, because the mean of its divisors is an integer number (288944188).

Almost surely, 2^1144663411 is an apocalyptic number.

1144663411 is a deficient number, since it is larger than the sum of its proper divisors (11113341).

1144663411 is a wasteful number, since it uses less digits than its factorization.

1144663411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11113340.

The product of its digits is 6912, while the sum is 31.

The square root of 1144663411 is about 33832.8747078932. The cubic root of 1144663411 is about 1046.0664345005.

The spelling of 1144663411 in words is "one billion, one hundred forty-four million, six hundred sixty-three thousand, four hundred eleven".