11142253 has 2 divisors, whose sum is σ = 11142254. Its totient is φ = 11142252.

The previous prime is 11142251. The next prime is 11142311. The reversal of 11142253 is 35224111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11142244 + 9 = 3338^2 + 3^2 .

It is a cyclic number.

It is not a de Polignac number, because 11142253 - 2¹ = 11142251 is a prime.

Together with 11142251, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 11142253.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11142251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5571126 + 5571127.

It is an arithmetic number, because the mean of its divisors is an integer number (5571127).

Almost surely, 2^11142253 is an apocalyptic number.

It is an amenable number.

11142253 is a deficient number, since it is larger than the sum of its proper divisors (1).

11142253 is an equidigital number, since it uses as much as digits as its factorization.

11142253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 240, while the sum is 19.

The square root of 11142253 is about 3338.0013481124. The cubic root of 11142253 is about 223.3525962940.

Adding to 11142253 its reverse (35224111), we get a palindrome (46366364).

The spelling of 11142253 in words is "eleven million, one hundred forty-two thousand, two hundred fifty-three".