11905018 has 8 divisors (see below), whose sum is σ = 17994240. Its totient is φ = 5906940.

The previous prime is 11905013. The next prime is 11905021. The reversal of 11905018 is 81050911.

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

It is a junction number, because it is equal to n+sod(n) for n = 11904983 and 11905001.

It is not an unprimeable number, because it can be changed into a prime (11905013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22458 + ... + 22981.

It is an arithmetic number, because the mean of its divisors is an integer number (2249280).

Almost surely, 2^11905018 is an apocalyptic number.

11905018 is a deficient number, since it is larger than the sum of its proper divisors (6089222).

11905018 is a wasteful number, since it uses less digits than its factorization.

11905018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45572.

The product of its (nonzero) digits is 360, while the sum is 25.

The square root of 11905018 is about 3450.3649082380. The cubic root of 11905018 is about 228.3372075047.

Adding to 11905018 its reverse (81050911), we get a palindrome (92955929).

The spelling of 11905018 in words is "eleven million, nine hundred five thousand, eighteen".