11920283489 has 2 divisors, whose sum is σ = 11920283490. Its totient is φ = 11920283488.

The previous prime is 11920283483. The next prime is 11920283497. The reversal of 11920283489 is 98438202911.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7411832464 + 4508451025 = 86092^2 + 67145^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11920283489 is a prime.

It is not a weakly prime, because it can be changed into another prime (11920283483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5960141744 + 5960141745.

It is an arithmetic number, because the mean of its divisors is an integer number (5960141745).

Almost surely, 2^11920283489 is an apocalyptic number.

It is an amenable number.

11920283489 is a deficient number, since it is larger than the sum of its proper divisors (1).

11920283489 is an equidigital number, since it uses as much as digits as its factorization.

11920283489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 248832, while the sum is 47.

The spelling of 11920283489 in words is "eleven billion, nine hundred twenty million, two hundred eighty-three thousand, four hundred eighty-nine".