11152143 has 6 divisors (see below), whose sum is σ = 16108664. Its totient is φ = 7434756.

The previous prime is 11152139. The next prime is 11152147. The reversal of 11152143 is 34125111.

11152143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11152139) and next prime (11152147).

It is not a de Polignac number, because 11152143 - 2² = 11152139 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11152147) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 619555 + ... + 619572.

Almost surely, 2^11152143 is an apocalyptic number.

11152143 is a deficient number, since it is larger than the sum of its proper divisors (4956521).

11152143 is a wasteful number, since it uses less digits than its factorization.

11152143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1239133 (or 1239130 counting only the distinct ones).

The product of its digits is 120, while the sum is 18.

The square root of 11152143 is about 3339.4824449307. The cubic root of 11152143 is about 223.4186602499.

Adding to 11152143 its reverse (34125111), we get a palindrome (45277254).

The spelling of 11152143 in words is "eleven million, one hundred fifty-two thousand, one hundred forty-three".