11545818 has 8 divisors (see below), whose sum is σ = 23091648. Its totient is φ = 3848604.

The previous prime is 11545817. The next prime is 11545829. The reversal of 11545818 is 81854511.

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

11545818 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (11545817) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 962146 + ... + 962157.

It is an arithmetic number, because the mean of its divisors is an integer number (2886456).

Almost surely, 2^11545818 is an apocalyptic number.

11545818 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11545818 is a wasteful number, since it uses less digits than its factorization.

11545818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1924308.

The product of its digits is 6400, while the sum is 33.

The square root of 11545818 is about 3397.9137717135. The cubic root of 11545818 is about 226.0172409642.

The spelling of 11545818 in words is "eleven million, five hundred forty-five thousand, eight hundred eighteen".