1133330999509 has 2 divisors, whose sum is σ = 1133330999510. Its totient is φ = 1133330999508.

The previous prime is 1133330999473. The next prime is 1133330999513. The reversal of 1133330999509 is 9059990333311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1126470190609 + 6860808900 = 1061353^2 + 82830^2 .

It is a cyclic number.

It is not a de Polignac number, because 1133330999509 - 2²⁷ = 1133196781781 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1133330999509.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1133330999569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 566665499754 + 566665499755.

It is an arithmetic number, because the mean of its divisors is an integer number (566665499755).

Almost surely, 2^{1133330999509} is an apocalyptic number.

It is an amenable number.

1133330999509 is a deficient number, since it is larger than the sum of its proper divisors (1).

1133330999509 is an equidigital number, since it uses as much as digits as its factorization.

1133330999509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2657205, while the sum is 55.

The spelling of 1133330999509 in words is "one trillion, one hundred thirty-three billion, three hundred thirty million, nine hundred ninety-nine thousand, five hundred nine".