18350011 has 8 divisors (see below), whose sum is σ = 19036800. Its totient is φ = 17666880.

The previous prime is 18350009. The next prime is 18350023. The reversal of 18350011 is 11005381.

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

It is a cyclic number.

It is not a de Polignac number, because 18350011 - 2¹ = 18350009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18450011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13231 + ... + 14551.

It is an arithmetic number, because the mean of its divisors is an integer number (2379600).

Almost surely, 2^18350011 is an apocalyptic number.

18350011 is a deficient number, since it is larger than the sum of its proper divisors (686789).

18350011 is a wasteful number, since it uses less digits than its factorization.

18350011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1829.

The product of its (nonzero) digits is 120, while the sum is 19.

The square root of 18350011 is about 4283.6912820604. The cubic root of 18350011 is about 263.7619285876.

Adding to 18350011 its reverse (11005381), we get a palindrome (29355392).

The spelling of 18350011 in words is "eighteen million, three hundred fifty thousand, eleven".