11578043 has 4 divisors (see below), whose sum is σ = 11619528. Its totient is φ = 11536560.

The previous prime is 11578033. The next prime is 11578067. The reversal of 11578043 is 34087511.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11578043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11577997 and 11578015.

It is not an unprimeable number, because it can be changed into a prime (11578013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20321 + ... + 20882.

It is an arithmetic number, because the mean of its divisors is an integer number (2904882).

Almost surely, 2^11578043 is an apocalyptic number.

11578043 is a deficient number, since it is larger than the sum of its proper divisors (41485).

11578043 is an equidigital number, since it uses as much as digits as its factorization.

11578043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41484.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 11578043 is about 3402.6523478016. The cubic root of 11578043 is about 226.2273210686.

The spelling of 11578043 in words is "eleven million, five hundred seventy-eight thousand, forty-three".