11142371 has 2 divisors, whose sum is σ = 11142372. Its totient is φ = 11142370.

The previous prime is 11142359. The next prime is 11142377. The reversal of 11142371 is 17324111.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11142371 - 2¹⁸ = 10880227 is a prime.

It is not a weakly prime, because it can be changed into another prime (11142377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5571185 + 5571186.

It is an arithmetic number, because the mean of its divisors is an integer number (5571186).

Almost surely, 2^11142371 is an apocalyptic number.

11142371 is a deficient number, since it is larger than the sum of its proper divisors (1).

11142371 is an equidigital number, since it uses as much as digits as its factorization.

11142371 is an evil number, because the sum of its binary digits is even.

The product of its digits is 168, while the sum is 20.

The square root of 11142371 is about 3338.0190233131. The cubic root of 11142371 is about 223.3533847495.

Adding to 11142371 its reverse (17324111), we get a palindrome (28466482).

The spelling of 11142371 in words is "eleven million, one hundred forty-two thousand, three hundred seventy-one".