1680115255 has 32 divisors (see below), whose sum is σ = 2499606144. Its totient is φ = 1055655936.

The previous prime is 1680115243. The next prime is 1680115289. The reversal of 1680115255 is 5525110861.

It is a cyclic number.

It is not a de Polignac number, because 1680115255 - 2⁷ = 1680115127 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1680115255.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48859 + ... + 75811.

It is an arithmetic number, because the mean of its divisors is an integer number (78112692).

Almost surely, 2^1680115255 is an apocalyptic number.

1680115255 is a deficient number, since it is larger than the sum of its proper divisors (819490889).

1680115255 is a wasteful number, since it uses less digits than its factorization.

1680115255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27115.

The product of its (nonzero) digits is 12000, while the sum is 34.

The square root of 1680115255 is about 40989.2090067618. The cubic root of 1680115255 is about 1188.8115751185.

The spelling of 1680115255 in words is "one billion, six hundred eighty million, one hundred fifteen thousand, two hundred fifty-five".