11857141 has 4 divisors (see below), whose sum is σ = 11873484. Its totient is φ = 11840800.

The previous prime is 11857127. The next prime is 11857147. The reversal of 11857141 is 14175811.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1164241 + 10692900 = 1079^2 + 3270^2 .

It is a cyclic number.

It is not a de Polignac number, because 11857141 - 2⁹ = 11856629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11857147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7030 + ... + 8551.

It is an arithmetic number, because the mean of its divisors is an integer number (2968371).

Almost surely, 2^11857141 is an apocalyptic number.

It is an amenable number.

11857141 is a deficient number, since it is larger than the sum of its proper divisors (16343).

11857141 is an equidigital number, since it uses as much as digits as its factorization.

11857141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16342.

The product of its digits is 1120, while the sum is 28.

The square root of 11857141 is about 3443.4199569614. The cubic root of 11857141 is about 228.0307040316.

The spelling of 11857141 in words is "eleven million, eight hundred fifty-seven thousand, one hundred forty-one".