11665142 has 4 divisors (see below), whose sum is σ = 17497716. Its totient is φ = 5832570.

The previous prime is 11665133. The next prime is 11665151. The reversal of 11665142 is 24156611.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (11665133) and next prime (11665151).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2916284 + ... + 2916287.

It is an arithmetic number, because the mean of its divisors is an integer number (4374429).

Almost surely, 2^11665142 is an apocalyptic number.

11665142 is a deficient number, since it is larger than the sum of its proper divisors (5832574).

11665142 is an equidigital number, since it uses as much as digits as its factorization.

11665142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5832573.

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

The square root of 11665142 is about 3415.4270596808. The cubic root of 11665142 is about 226.7931901276.

The spelling of 11665142 in words is "eleven million, six hundred sixty-five thousand, one hundred forty-two".