107280487205 has 18 divisors (see below), whose sum is σ = 133355254578. Its totient is φ = 82848522400.

The previous prime is 107280487201. The next prime is 107280487213. The reversal of 107280487205 is 502784082701.

It can be written as a sum of positive squares in 3 ways, for example, as 12348098884 + 94932388321 = 111122^2 + 308111^2 .

It is not a de Polignac number, because 107280487205 - 2² = 107280487201 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (107280487201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 21236930 + ... + 21241980.

Almost surely, 2^107280487205 is an apocalyptic number.

It is an amenable number.

107280487205 is a deficient number, since it is larger than the sum of its proper divisors (26074767373).

107280487205 is an frugal number, since it uses more digits than its factorization.

107280487205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10165 (or 5085 counting only the distinct ones).

The product of its (nonzero) digits is 250880, while the sum is 44.

The spelling of 107280487205 in words is "one hundred seven billion, two hundred eighty million, four hundred eighty-seven thousand, two hundred five".