216060011 has 4 divisors (see below), whose sum is σ = 217491024. Its totient is φ = 214629000.

The previous prime is 216060007. The next prime is 216060043. The reversal of 216060011 is 110060612.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 216060011 - 2² = 216060007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (216060211) 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, 715280 + ... + 715581.

It is an arithmetic number, because the mean of its divisors is an integer number (54372756).

Almost surely, 2^216060011 is an apocalyptic number.

216060011 is a deficient number, since it is larger than the sum of its proper divisors (1431013).

216060011 is a wasteful number, since it uses less digits than its factorization.

216060011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1431012.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 216060011 is about 14698.9799305938. The cubic root of 216060011 is about 600.0555605956.

The spelling of 216060011 in words is "two hundred sixteen million, sixty thousand, eleven".