1133445671 has 2 divisors, whose sum is σ = 1133445672. Its totient is φ = 1133445670.

The previous prime is 1133445661. The next prime is 1133445673. The reversal of 1133445671 is 1765443311.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1133445671 - 2²⁶ = 1066336807 is a prime.

Together with 1133445673, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1133445673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 566722835 + 566722836.

It is an arithmetic number, because the mean of its divisors is an integer number (566722836).

Almost surely, 2^1133445671 is an apocalyptic number.

1133445671 is a deficient number, since it is larger than the sum of its proper divisors (1).

1133445671 is an equidigital number, since it uses as much as digits as its factorization.

1133445671 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30240, while the sum is 35.

The square root of 1133445671 is about 33666.6848828334. The cubic root of 1133445671 is about 1042.6380484548.

Adding to 1133445671 its reverse (1765443311), we get a palindrome (2898888982).

The spelling of 1133445671 in words is "one billion, one hundred thirty-three million, four hundred forty-five thousand, six hundred seventy-one".