11985145283 has 2 divisors, whose sum is σ = 11985145284. Its totient is φ = 11985145282.

The previous prime is 11985145241. The next prime is 11985145349. The reversal of 11985145283 is 38254158911.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11985145283 is a prime.

It is not a weakly prime, because it can be changed into another prime (11985145883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5992572641 + 5992572642.

It is an arithmetic number, because the mean of its divisors is an integer number (5992572642).

Almost surely, 2^11985145283 is an apocalyptic number.

11985145283 is a deficient number, since it is larger than the sum of its proper divisors (1).

11985145283 is an equidigital number, since it uses as much as digits as its factorization.

11985145283 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 345600, while the sum is 47.

The spelling of 11985145283 in words is "eleven billion, nine hundred eighty-five million, one hundred forty-five thousand, two hundred eighty-three".