11855942 has 24 divisors (see below), whose sum is σ = 20807280. Its totient is φ = 5051760.

The previous prime is 11855933. The next prime is 11855959. The reversal of 11855942 is 24955811.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30284 + ... + 30672.

It is an arithmetic number, because the mean of its divisors is an integer number (866970).

Almost surely, 2^11855942 is an apocalyptic number.

11855942 is a deficient number, since it is larger than the sum of its proper divisors (8951338).

11855942 is a wasteful number, since it uses less digits than its factorization.

11855942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 716 (or 709 counting only the distinct ones).

The product of its digits is 14400, while the sum is 35.

The square root of 11855942 is about 3443.2458523899. The cubic root of 11855942 is about 228.0230175798.

The spelling of 11855942 in words is "eleven million, eight hundred fifty-five thousand, nine hundred forty-two".