11142165 has 16 divisors (see below), whose sum is σ = 17899776. Its totient is φ = 5918400.

The previous prime is 11142107. The next prime is 11142181. The reversal of 11142165 is 56124111.

It is not a de Polignac number, because 11142165 - 2¹² = 11138069 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2695 + ... + 5435.

It is an arithmetic number, because the mean of its divisors is an integer number (1118736).

Almost surely, 2^11142165 is an apocalyptic number.

11142165 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11142165 is a deficient number, since it is larger than the sum of its proper divisors (6757611).

11142165 is a wasteful number, since it uses less digits than its factorization.

11142165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3020.

The product of its digits is 240, while the sum is 21.

The square root of 11142165 is about 3337.9881665458. The cubic root of 11142165 is about 223.3520082896.

Adding to 11142165 its reverse (56124111), we get a palindrome (67266276).

The spelling of 11142165 in words is "eleven million, one hundred forty-two thousand, one hundred sixty-five".