11143678 has 24 divisors (see below), whose sum is σ = 20942712. Its totient is φ = 4407984.

The previous prime is 11143667. The next prime is 11143679. The reversal of 11143678 is 87634111.

It is a super-3 number, since 3×11143678³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11143679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3100 + ... + 5647.

It is an arithmetic number, because the mean of its divisors is an integer number (872613).

Almost surely, 2^11143678 is an apocalyptic number.

11143678 is a deficient number, since it is larger than the sum of its proper divisors (9799034).

11143678 is a wasteful number, since it uses less digits than its factorization.

11143678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8776 (or 8769 counting only the distinct ones).

The product of its digits is 4032, while the sum is 31.

The square root of 11143678 is about 3338.2147923703. The cubic root of 11143678 is about 223.3621175246.

Adding to 11143678 its reverse (87634111), we get a palindrome (98777789).

The spelling of 11143678 in words is "eleven million, one hundred forty-three thousand, six hundred seventy-eight".