1002089520905 has 16 divisors (see below), whose sum is σ = 1347281049024. Its totient is φ = 709095286080.

The previous prime is 1002089520881. The next prime is 1002089520923. The reversal of 1002089520905 is 5090259802001.

It is not a de Polignac number, because 1002089520905 - 2³⁰ = 1001015779081 is a prime.

It is a super-2 number, since 2×1002089520905² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 246211607 + ... + 246215676.

It is an arithmetic number, because the mean of its divisors is an integer number (84205065564).

Almost surely, 2^{1002089520905} is an apocalyptic number.

It is an amenable number.

1002089520905 is a deficient number, since it is larger than the sum of its proper divisors (345191528119).

1002089520905 is a wasteful number, since it uses less digits than its factorization.

1002089520905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492427336.

The product of its (nonzero) digits is 64800, while the sum is 41.

The spelling of 1002089520905 in words is "one trillion, two billion, eighty-nine million, five hundred twenty thousand, nine hundred five".