2081159311 has 24 divisors (see below), whose sum is σ = 2644986960. Its totient is φ = 1619251200.

The previous prime is 2081159299. The next prime is 2081159317. The reversal of 2081159311 is 1139511802.

It is not a de Polignac number, because 2081159311 - 2⁷ = 2081159183 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2081159317) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 411981 + ... + 417001.

It is an arithmetic number, because the mean of its divisors is an integer number (110207790).

Almost surely, 2^2081159311 is an apocalyptic number.

2081159311 is a deficient number, since it is larger than the sum of its proper divisors (563827649).

2081159311 is a wasteful number, since it uses less digits than its factorization.

2081159311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5815 (or 5808 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 31.

The square root of 2081159311 is about 45619.7250210915. The cubic root of 2081159311 is about 1276.7379730147.

The spelling of 2081159311 in words is "two billion, eighty-one million, one hundred fifty-nine thousand, three hundred eleven".