2005282081100 has 36 divisors (see below), whose sum is σ = 4416409326504. Its totient is φ = 790140996480.

The previous prime is 2005282081093. The next prime is 2005282081123. The reversal of 2005282081100 is 11802825002.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 149641217 + ... + 149654616.

Almost surely, 2^{2005282081100} is an apocalyptic number.

2005282081100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2005282081100 is an abundant number, since it is smaller than the sum of its proper divisors (2411127245404).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2005282081100 is a wasteful number, since it uses less digits than its factorization.

2005282081100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299295914 (or 299295907 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 29.

The spelling of 2005282081100 in words is "two trillion, five billion, two hundred eighty-two million, eighty-one thousand, one hundred".