116128821611 has 8 divisors (see below), whose sum is σ = 127492906224. Its totient is φ = 104899223520.

The previous prime is 116128821587. The next prime is 116128821629.

116128821611 is nontrivially palindromic in base 10.

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 116128821611 - 2¹⁸ = 116128559467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (116128821661) 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, 33619820 + ... + 33623273.

It is an arithmetic number, because the mean of its divisors is an integer number (15936613278).

Almost surely, 2^116128821611 is an apocalyptic number.

116128821611 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

116128821611 is a deficient number, since it is larger than the sum of its proper divisors (11364084613).

116128821611 is a wasteful number, since it uses less digits than its factorization.

116128821611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67243261.

The product of its digits is 9216, while the sum is 38.

It can be divided in two parts, 116128 and 821611, that added together give a palindrome (937739).

The spelling of 116128821611 in words is "one hundred sixteen billion, one hundred twenty-eight million, eight hundred twenty-one thousand, six hundred eleven".