11142323249 has 2 divisors, whose sum is σ = 11142323250. Its totient is φ = 11142323248.

The previous prime is 11142323239. The next prime is 11142323287. The reversal of 11142323249 is 94232324111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7884196849 + 3258126400 = 88793^2 + 57080^2 .

It is an emirp because it is prime and its reverse (94232324111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11142323249 - 2⁴ = 11142323233 is a prime.

It is not a weakly prime, because it can be changed into another prime (11142323239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5571161624 + 5571161625.

It is an arithmetic number, because the mean of its divisors is an integer number (5571161625).

Almost surely, 2^11142323249 is an apocalyptic number.

It is an amenable number.

11142323249 is a deficient number, since it is larger than the sum of its proper divisors (1).

11142323249 is an equidigital number, since it uses as much as digits as its factorization.

11142323249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368, while the sum is 32.

The spelling of 11142323249 in words is "eleven billion, one hundred forty-two million, three hundred twenty-three thousand, two hundred forty-nine".