11142030257 has 2 divisors, whose sum is σ = 11142030258. Its totient is φ = 11142030256.

The previous prime is 11142030233. The next prime is 11142030259. The reversal of 11142030257 is 75203024111.

11142030257 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10585117456 + 556912801 = 102884^2 + 23599^2 .

It is a cyclic number.

It is not a de Polignac number, because 11142030257 - 2¹⁰ = 11142029233 is a prime.

Together with 11142030259, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11142030259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5571015128 + 5571015129.

It is an arithmetic number, because the mean of its divisors is an integer number (5571015129).

Almost surely, 2^11142030257 is an apocalyptic number.

It is an amenable number.

11142030257 is a deficient number, since it is larger than the sum of its proper divisors (1).

11142030257 is an equidigital number, since it uses as much as digits as its factorization.

11142030257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1680, while the sum is 26.

Adding to 11142030257 its reverse (75203024111), we get a palindrome (86345054368).

The spelling of 11142030257 in words is "eleven billion, one hundred forty-two million, thirty thousand, two hundred fifty-seven".