2808281011005 has 32 divisors (see below), whose sum is σ = 5114267867520. Its totient is φ = 1461219384960.

The previous prime is 2808281011001. The next prime is 2808281011009. The reversal of 2808281011005 is 5001101828082.

It is an interprime number because it is at equal distance from previous prime (2808281011001) and next prime (2808281011009).

It is not a de Polignac number, because 2808281011005 - 2² = 2808281011001 is a prime.

It is a super-2 number, since 2×2808281011005² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2808281011001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 253678387 + ... + 253689456.

It is an arithmetic number, because the mean of its divisors is an integer number (159820870860).

Almost surely, 2^{2808281011005} is an apocalyptic number.

It is an amenable number.

2808281011005 is a deficient number, since it is larger than the sum of its proper divisors (2305986856515).

2808281011005 is a wasteful number, since it uses less digits than its factorization.

2808281011005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507367898 (or 507367892 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 36.

Adding to 2808281011005 its reverse (5001101828082), we get a palindrome (7809382839087).

The spelling of 2808281011005 in words is "two trillion, eight hundred eight billion, two hundred eighty-one million, eleven thousand, five".