11861043 has 8 divisors (see below), whose sum is σ = 15834000. Its totient is φ = 7897728.

The previous prime is 11861033. The next prime is 11861071. The reversal of 11861043 is 34016811.

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

It is not a de Polignac number, because 11861043 - 2⁵ = 11861011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11861033) 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, 1263 + ... + 5031.

It is an arithmetic number, because the mean of its divisors is an integer number (1979250).

Almost surely, 2^11861043 is an apocalyptic number.

11861043 is a deficient number, since it is larger than the sum of its proper divisors (3972957).

11861043 is a wasteful number, since it uses less digits than its factorization.

11861043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4821.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 11861043 is about 3443.9864982314. The cubic root of 11861043 is about 228.0557150699.

Adding to 11861043 its reverse (34016811), we get a palindrome (45877854).

The spelling of 11861043 in words is "eleven million, eight hundred sixty-one thousand, forty-three".