1111450399 has 2 divisors, whose sum is σ = 1111450400. Its totient is φ = 1111450398.

The previous prime is 1111450397. The next prime is 1111450453. The reversal of 1111450399 is 9930541111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1111450399 - 2¹ = 1111450397 is a prime.

Together with 1111450397, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1111450397) 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, 555725199 + 555725200.

It is an arithmetic number, because the mean of its divisors is an integer number (555725200).

Almost surely, 2^1111450399 is an apocalyptic number.

1111450399 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111450399 is an equidigital number, since it uses as much as digits as its factorization.

1111450399 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4860, while the sum is 34.

The square root of 1111450399 is about 33338.4222632086. The cubic root of 1111450399 is about 1035.8495825580.

The spelling of 1111450399 in words is "one billion, one hundred eleven million, four hundred fifty thousand, three hundred ninety-nine".