1130885813 has 2 divisors, whose sum is σ = 1130885814. Its totient is φ = 1130885812.

The previous prime is 1130885809. The next prime is 1130885867. The reversal of 1130885813 is 3185880311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1082541604 + 48344209 = 32902^2 + 6953^2 .

It is a cyclic number.

It is not a de Polignac number, because 1130885813 - 2² = 1130885809 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1130882813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565442906 + 565442907.

It is an arithmetic number, because the mean of its divisors is an integer number (565442907).

Almost surely, 2^1130885813 is an apocalyptic number.

It is an amenable number.

1130885813 is a deficient number, since it is larger than the sum of its proper divisors (1).

1130885813 is an equidigital number, since it uses as much as digits as its factorization.

1130885813 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23040, while the sum is 38.

The square root of 1130885813 is about 33628.6457205758. The cubic root of 1130885813 is about 1041.8525330316.

The spelling of 1130885813 in words is "one billion, one hundred thirty million, eight hundred eighty-five thousand, eight hundred thirteen".