1110144491 has 2 divisors, whose sum is σ = 1110144492. Its totient is φ = 1110144490.

The previous prime is 1110144487. The next prime is 1110144493. The reversal of 1110144491 is 1944410111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1110144491 - 2² = 1110144487 is a prime.

Together with 1110144493, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1110144491.

It is not a weakly prime, because it can be changed into another prime (1110144493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555072245 + 555072246.

It is an arithmetic number, because the mean of its divisors is an integer number (555072246).

Almost surely, 2^1110144491 is an apocalyptic number.

1110144491 is a deficient number, since it is larger than the sum of its proper divisors (1).

1110144491 is an equidigital number, since it uses as much as digits as its factorization.

1110144491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 26.

The square root of 1110144491 is about 33318.8308768480. The cubic root of 1110144491 is about 1035.4437301685.

The spelling of 1110144491 in words is "one billion, one hundred ten million, one hundred forty-four thousand, four hundred ninety-one".