1111443442 has 8 divisors (see below), whose sum is σ = 1765233756. Its totient is φ = 523032192.

The previous prime is 1111443433. The next prime is 1111443497. The reversal of 1111443442 is 2443441111.

It can be written as a sum of positive squares in 2 ways, for example, as 981506241 + 129937201 = 31329^2 + 11399^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×1111443442³ (a number of 28 digits) contains 333 as substring.

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 in 3 ways as a sum of consecutive naturals, for example, 16344723 + ... + 16344790.

Almost surely, 2^1111443442 is an apocalyptic number.

1111443442 is a deficient number, since it is larger than the sum of its proper divisors (653790314).

1111443442 is a wasteful number, since it uses less digits than its factorization.

1111443442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32689532.

The product of its digits is 1536, while the sum is 25.

The square root of 1111443442 is about 33338.3179239745. The cubic root of 1111443442 is about 1035.8474212918.

Adding to 1111443442 its reverse (2443441111), we get a palindrome (3554884553).

The spelling of 1111443442 in words is "one billion, one hundred eleven million, four hundred forty-three thousand, four hundred forty-two".