1131133009 has 2 divisors, whose sum is σ = 1131133010. Its totient is φ = 1131133008.

The previous prime is 1131132979. The next prime is 1131133027. The reversal of 1131133009 is 9003311311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 710062609 + 421070400 = 26647^2 + 20520^2 .

It is an emirp because it is prime and its reverse (9003311311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1131133009 - 2¹⁵ = 1131100241 is a prime.

It is not a weakly prime, because it can be changed into another prime (1131133609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565566504 + 565566505.

It is an arithmetic number, because the mean of its divisors is an integer number (565566505).

Almost surely, 2^1131133009 is an apocalyptic number.

It is an amenable number.

1131133009 is a deficient number, since it is larger than the sum of its proper divisors (1).

1131133009 is an equidigital number, since it uses as much as digits as its factorization.

1131133009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 243, while the sum is 22.

The square root of 1131133009 is about 33632.3208982074. The cubic root of 1131133009 is about 1041.9284390200.

The spelling of 1131133009 in words is "one billion, one hundred thirty-one million, one hundred thirty-three thousand, nine".