16011211011 has 8 divisors (see below), whose sum is σ = 21389259024. Its totient is φ = 10653651840.

The previous prime is 16011211001. The next prime is 16011211019. The reversal of 16011211011 is 11011211061.

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

It is not a de Polignac number, because 16011211011 - 2⁵ = 16011210979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16011211019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5120386 + ... + 5123511.

It is an arithmetic number, because the mean of its divisors is an integer number (2673657378).

Almost surely, 2^16011211011 is an apocalyptic number.

16011211011 is a deficient number, since it is larger than the sum of its proper divisors (5378048013).

16011211011 is a wasteful number, since it uses less digits than its factorization.

16011211011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10244421.

The product of its (nonzero) digits is 12, while the sum is 15.

Adding to 16011211011 its reverse (11011211061), we get a palindrome (27022422072).

The spelling of 16011211011 in words is "sixteen billion, eleven million, two hundred eleven thousand, eleven".