1755905975065 has 16 divisors (see below), whose sum is σ = 2360765972160. Its totient is φ = 1242508403520.

The previous prime is 1755905975053. The next prime is 1755905975137. The reversal of 1755905975065 is 5605795095571.

It is a de Polignac number, because none of the positive numbers 2^k-1755905975065 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1755905974988 and 1755905975006.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 431424495 + ... + 431428564.

It is an arithmetic number, because the mean of its divisors is an integer number (147547873260).

Almost surely, 2^{1755905975065} is an apocalyptic number.

It is an amenable number.

1755905975065 is a deficient number, since it is larger than the sum of its proper divisors (604859997095).

1755905975065 is a wasteful number, since it uses less digits than its factorization.

1755905975065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 862853112.

The product of its (nonzero) digits is 74418750, while the sum is 64.

The spelling of 1755905975065 in words is "one trillion, seven hundred fifty-five billion, nine hundred five million, nine hundred seventy-five thousand, sixty-five".