2071510081 has 8 divisors (see below), whose sum is σ = 2088965120. Its totient is φ = 2054073168.

The previous prime is 2071510069. The next prime is 2071510097. The reversal of 2071510081 is 1800151702.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2071510081 is a prime.

It is a super-2 number, since 2×2071510081² = 8582308031369253122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2071510381) 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 7 ways as a sum of consecutive naturals, for example, 321550 + ... + 327928.

It is an arithmetic number, because the mean of its divisors is an integer number (261120640).

Almost surely, 2^2071510081 is an apocalyptic number.

It is an amenable number.

2071510081 is a deficient number, since it is larger than the sum of its proper divisors (17455039).

2071510081 is a wasteful number, since it uses less digits than its factorization.

2071510081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9063.

The product of its (nonzero) digits is 560, while the sum is 25.

The square root of 2071510081 is about 45513.8449375572. The cubic root of 2071510081 is about 1274.7617303825.

Adding to 2071510081 its reverse (1800151702), we get a palindrome (3871661783).

The spelling of 2071510081 in words is "two billion, seventy-one million, five hundred ten thousand, eighty-one".