11140142305 has 4 divisors (see below), whose sum is σ = 13368170772. Its totient is φ = 8912113840.

The previous prime is 11140142281. The next prime is 11140142309. The reversal of 11140142305 is 50324104111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1258191841 + 9881950464 = 35471^2 + 99408^2 .

It is not a de Polignac number, because 11140142305 - 2¹¹ = 11140140257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11140142309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1114014226 + ... + 1114014235.

It is an arithmetic number, because the mean of its divisors is an integer number (3342042693).

Almost surely, 2^11140142305 is an apocalyptic number.

It is an amenable number.

11140142305 is a deficient number, since it is larger than the sum of its proper divisors (2228028467).

11140142305 is an equidigital number, since it uses as much as digits as its factorization.

11140142305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2228028466.

The product of its (nonzero) digits is 480, while the sum is 22.

Adding to 11140142305 its reverse (50324104111), we get a palindrome (61464246416).

The spelling of 11140142305 in words is "eleven billion, one hundred forty million, one hundred forty-two thousand, three hundred five".