11571841 has 8 divisors (see below), whose sum is σ = 12124800. Its totient is φ = 11029200.

The previous prime is 11571839. The next prime is 11571851. The reversal of 11571841 is 14817511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11571841 - 2¹ = 11571839 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11571811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 235 + ... + 4816.

It is an arithmetic number, because the mean of its divisors is an integer number (1515600).

Almost surely, 2^11571841 is an apocalyptic number.

It is an amenable number.

11571841 is a deficient number, since it is larger than the sum of its proper divisors (552959).

11571841 is an equidigital number, since it uses as much as digits as its factorization.

11571841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5159.

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

The square root of 11571841 is about 3401.7408778448. The cubic root of 11571841 is about 226.1869195244.

The spelling of 11571841 in words is "eleven million, five hundred seventy-one thousand, eight hundred forty-one".