1151445311 has 2 divisors, whose sum is σ = 1151445312. Its totient is φ = 1151445310.

The previous prime is 1151445301. The next prime is 1151445313. The reversal of 1151445311 is 1135441511.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1151445311 is a prime.

Together with 1151445313, 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 (1151445313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 575722655 + 575722656.

It is an arithmetic number, because the mean of its divisors is an integer number (575722656).

Almost surely, 2^1151445311 is an apocalyptic number.

1151445311 is a deficient number, since it is larger than the sum of its proper divisors (1).

1151445311 is an equidigital number, since it uses as much as digits as its factorization.

1151445311 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1200, while the sum is 26.

The square root of 1151445311 is about 33932.9531723957. The cubic root of 1151445311 is about 1048.1282787710.

Adding to 1151445311 its reverse (1135441511), we get a palindrome (2286886822).

The spelling of 1151445311 in words is "one billion, one hundred fifty-one million, four hundred forty-five thousand, three hundred eleven".