2116375611 has 72 divisors (see below), whose sum is σ = 3601714176. Its totient is φ = 1100816640.

The previous prime is 2116375571. The next prime is 2116375621. The reversal of 2116375611 is 1165736112.

It is not a de Polignac number, because 2116375611 - 2⁷ = 2116375483 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2116375621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1316170 + ... + 1317776.

It is an arithmetic number, because the mean of its divisors is an integer number (50023808).

Almost surely, 2^2116375611 is an apocalyptic number.

2116375611 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2116375611 is a deficient number, since it is larger than the sum of its proper divisors (1485338565).

2116375611 is a wasteful number, since it uses less digits than its factorization.

2116375611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1689 (or 1665 counting only the distinct ones).

The product of its digits is 7560, while the sum is 33.

The square root of 2116375611 is about 46004.0825470958. The cubic root of 2116375611 is about 1283.8991638915.

The spelling of 2116375611 in words is "two billion, one hundred sixteen million, three hundred seventy-five thousand, six hundred eleven".