11142142273 has 2 divisors, whose sum is σ = 11142142274. Its totient is φ = 11142142272.

The previous prime is 11142142217. The next prime is 11142142289. The reversal of 11142142273 is 37224124111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7192396864 + 3949745409 = 84808^2 + 62847^2 .

It is a cyclic number.

It is not a de Polignac number, because 11142142273 - 2¹⁷ = 11142011201 is a prime.

It is not a weakly prime, because it can be changed into another prime (11142142213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5571071136 + 5571071137.

It is an arithmetic number, because the mean of its divisors is an integer number (5571071137).

Almost surely, 2^11142142273 is an apocalyptic number.

It is an amenable number.

11142142273 is a deficient number, since it is larger than the sum of its proper divisors (1).

11142142273 is an equidigital number, since it uses as much as digits as its factorization.

11142142273 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2688, while the sum is 28.

Adding to 11142142273 its reverse (37224124111), we get a palindrome (48366266384).

The spelling of 11142142273 in words is "eleven billion, one hundred forty-two million, one hundred forty-two thousand, two hundred seventy-three".