1145051311 has 2 divisors, whose sum is σ = 1145051312. Its totient is φ = 1145051310.

The previous prime is 1145051287. The next prime is 1145051353. The reversal of 1145051311 is 1131505411.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1145051311 - 2⁷ = 1145051183 is a prime.

It is a super-2 number, since 2×1145051311² = 2622285009645637442, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1145054311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572525655 + 572525656.

It is an arithmetic number, because the mean of its divisors is an integer number (572525656).

Almost surely, 2^1145051311 is an apocalyptic number.

1145051311 is a deficient number, since it is larger than the sum of its proper divisors (1).

1145051311 is an equidigital number, since it uses as much as digits as its factorization.

1145051311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 300, while the sum is 22.

The square root of 1145051311 is about 33838.6068123379. The cubic root of 1145051311 is about 1046.1845837426.

Adding to 1145051311 its reverse (1131505411), we get a palindrome (2276556722).

The spelling of 1145051311 in words is "one billion, one hundred forty-five million, fifty-one thousand, three hundred eleven".