1144400111 has 2 divisors, whose sum is σ = 1144400112. Its totient is φ = 1144400110.

The previous prime is 1144400093. The next prime is 1144400129. The reversal of 1144400111 is 1110044411.

It is a balanced prime because it is at equal distance from previous prime (1144400093) and next prime (1144400129).

It is a cyclic number.

It is not a de Polignac number, because 1144400111 - 2¹⁴ = 1144383727 is a prime.

It is a super-2 number, since 2×1144400111² = 2619303228113624642, which contains 22 as substring.

It is a zygodrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 1144400111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1144400011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572200055 + 572200056.

It is an arithmetic number, because the mean of its divisors is an integer number (572200056).

Almost surely, 2^1144400111 is an apocalyptic number.

1144400111 is a deficient number, since it is larger than the sum of its proper divisors (1).

1144400111 is an equidigital number, since it uses as much as digits as its factorization.

1144400111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64, while the sum is 17.

The square root of 1144400111 is about 33828.9832983494. The cubic root of 1144400111 is about 1045.9862215720.

Adding to 1144400111 its reverse (1110044411), we get a palindrome (2254444522).

The spelling of 1144400111 in words is "one billion, one hundred forty-four million, four hundred thousand, one hundred eleven".