1155233159 has 2 divisors, whose sum is σ = 1155233160. Its totient is φ = 1155233158.

The previous prime is 1155233153. The next prime is 1155233221. The reversal of 1155233159 is 9513325511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1155233159 - 2¹⁶ = 1155167623 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1155233153) 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, 577616579 + 577616580.

It is an arithmetic number, because the mean of its divisors is an integer number (577616580).

Almost surely, 2^1155233159 is an apocalyptic number.

1155233159 is a deficient number, since it is larger than the sum of its proper divisors (1).

1155233159 is an equidigital number, since it uses as much as digits as its factorization.

1155233159 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20250, while the sum is 35.

The square root of 1155233159 is about 33988.7210556679. The cubic root of 1155233159 is about 1049.2763446095.

The spelling of 1155233159 in words is "one billion, one hundred fifty-five million, two hundred thirty-three thousand, one hundred fifty-nine".