11385143 has 8 divisors (see below), whose sum is σ = 14194560. Its totient is φ = 8871480.

The previous prime is 11385131. The next prime is 11385191. The reversal of 11385143 is 34158311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11385143 - 2²⁰ = 10336567 is a prime.

It is a super-2 number, since 2×11385143² = 259242962260898, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11385343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73853 + ... + 74006.

It is an arithmetic number, because the mean of its divisors is an integer number (1774320).

Almost surely, 2^11385143 is an apocalyptic number.

11385143 is a deficient number, since it is larger than the sum of its proper divisors (2809417).

11385143 is a wasteful number, since it uses less digits than its factorization.

11385143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147877.

The product of its digits is 1440, while the sum is 26.

The square root of 11385143 is about 3374.1877541121. The cubic root of 11385143 is about 224.9638987346.

The spelling of 11385143 in words is "eleven million, three hundred eighty-five thousand, one hundred forty-three".