1115320133 has 2 divisors, whose sum is σ = 1115320134. Its totient is φ = 1115320132.

The previous prime is 1115320127. The next prime is 1115320177. The reversal of 1115320133 is 3310235111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 851647489 + 263672644 = 29183^2 + 16238^2 .

It is a cyclic number.

It is not a de Polignac number, because 1115320133 - 2⁶ = 1115320069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1115320103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 557660066 + 557660067.

It is an arithmetic number, because the mean of its divisors is an integer number (557660067).

Almost surely, 2^1115320133 is an apocalyptic number.

It is an amenable number.

1115320133 is a deficient number, since it is larger than the sum of its proper divisors (1).

1115320133 is an equidigital number, since it uses as much as digits as its factorization.

1115320133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 270, while the sum is 20.

The square root of 1115320133 is about 33396.4089836018. The cubic root of 1115320133 is about 1037.0503616617.

Adding to 1115320133 its reverse (3310235111), we get a palindrome (4425555244).

The spelling of 1115320133 in words is "one billion, one hundred fifteen million, three hundred twenty thousand, one hundred thirty-three".