1155230411 has 2 divisors, whose sum is σ = 1155230412. Its totient is φ = 1155230410.

The previous prime is 1155230371. The next prime is 1155230423. The reversal of 1155230411 is 1140325511.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1155230411 - 2¹⁸ = 1154968267 is a prime.

It is not a weakly prime, because it can be changed into another prime (1155230431) by changing a digit.

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, 577615205 + 577615206.

It is an arithmetic number, because the mean of its divisors is an integer number (577615206).

Almost surely, 2^1155230411 is an apocalyptic number.

1155230411 is a deficient number, since it is larger than the sum of its proper divisors (1).

1155230411 is an equidigital number, since it uses as much as digits as its factorization.

1155230411 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 600, while the sum is 23.

The square root of 1155230411 is about 33988.6806304687. The cubic root of 1155230411 is about 1049.2755126235.

Adding to 1155230411 its reverse (1140325511), we get a palindrome (2295555922).

The spelling of 1155230411 in words is "one billion, one hundred fifty-five million, two hundred thirty thousand, four hundred eleven".