11885445 has 48 divisors (see below), whose sum is σ = 24216192. Its totient is φ = 5316480.

The previous prime is 11885443. The next prime is 11885459. The reversal of 11885445 is 54458811.

11885445 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11885445 - 2¹ = 11885443 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11885443) 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 47 ways as a sum of consecutive naturals, for example, 5512 + ... + 7358.

It is an arithmetic number, because the mean of its divisors is an integer number (504504).

Almost surely, 2^11885445 is an apocalyptic number.

11885445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11885445 is an abundant number, since it is smaller than the sum of its proper divisors (12330747).

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

11885445 is a wasteful number, since it uses less digits than its factorization.

11885445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1882 (or 1879 counting only the distinct ones).

The product of its digits is 25600, while the sum is 36.

The square root of 11885445 is about 3447.5273748007. The cubic root of 11885445 is about 228.2120027187.

It can be divided in two parts, 11885 and 445, that multiplied together give a palindrome (5288825).

The spelling of 11885445 in words is "eleven million, eight hundred eighty-five thousand, four hundred forty-five".