1157319529 has 2 divisors, whose sum is σ = 1157319530. Its totient is φ = 1157319528.

The previous prime is 1157319521. The next prime is 1157319539. The reversal of 1157319529 is 9259137511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 989228304 + 168091225 = 31452^2 + 12965^2 .

It is a cyclic number.

It is not a de Polignac number, because 1157319529 - 2³ = 1157319521 is a prime.

It is not a weakly prime, because it can be changed into another prime (1157319521) 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, 578659764 + 578659765.

It is an arithmetic number, because the mean of its divisors is an integer number (578659765).

Almost surely, 2^1157319529 is an apocalyptic number.

It is an amenable number.

1157319529 is a deficient number, since it is larger than the sum of its proper divisors (1).

1157319529 is an equidigital number, since it uses as much as digits as its factorization.

1157319529 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 85050, while the sum is 43.

The square root of 1157319529 is about 34019.3993039266. The cubic root of 1157319529 is about 1049.9076348079.

The spelling of 1157319529 in words is "one billion, one hundred fifty-seven million, three hundred nineteen thousand, five hundred twenty-nine".