11862083509 has 2 divisors, whose sum is σ = 11862083510. Its totient is φ = 11862083508.

The previous prime is 11862083449. The next prime is 11862083531. The reversal of 11862083509 is 90538026811.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11859863409 + 2220100 = 108903^2 + 1490^2 .

It is a cyclic number.

It is not a de Polignac number, because 11862083509 - 2¹⁹ = 11861559221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11862083539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5931041754 + 5931041755.

It is an arithmetic number, because the mean of its divisors is an integer number (5931041755).

Almost surely, 2^11862083509 is an apocalyptic number.

It is an amenable number.

11862083509 is a deficient number, since it is larger than the sum of its proper divisors (1).

11862083509 is an equidigital number, since it uses as much as digits as its factorization.

11862083509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 103680, while the sum is 43.

The spelling of 11862083509 in words is "eleven billion, eight hundred sixty-two million, eighty-three thousand, five hundred nine".