1111444454 has 4 divisors (see below), whose sum is σ = 1667166684. Its totient is φ = 555722226.

The previous prime is 1111444447. The next prime is 1111444487. The reversal of 1111444454 is 4544441111.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

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, 277861112 + ... + 277861115.

It is an arithmetic number, because the mean of its divisors is an integer number (416791671).

Almost surely, 2^1111444454 is an apocalyptic number.

1111444454 is a deficient number, since it is larger than the sum of its proper divisors (555722230).

1111444454 is an equidigital number, since it uses as much as digits as its factorization.

1111444454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555722229.

The product of its digits is 5120, while the sum is 29.

The square root of 1111444454 is about 33338.3331017014. Note that the first 3 decimals coincide. The cubic root of 1111444454 is about 1035.8477356810.

Adding to 1111444454 its reverse (4544441111), we get a palindrome (5655885565).

The spelling of 1111444454 in words is "one billion, one hundred eleven million, four hundred forty-four thousand, four hundred fifty-four".