7127705666355 has 32 divisors (see below), whose sum is σ = 11522368888128. Its totient is φ = 3762099609600.

The previous prime is 7127705666299. The next prime is 7127705666371. The reversal of 7127705666355 is 5536665077217.

It is not a de Polignac number, because 7127705666355 - 2¹⁶ = 7127705600819 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41616295 + ... + 41787215.

It is an arithmetic number, because the mean of its divisors is an integer number (360074027754).

Almost surely, 2^{7127705666355} is an apocalyptic number.

7127705666355 is a deficient number, since it is larger than the sum of its proper divisors (4394663221773).

7127705666355 is a wasteful number, since it uses less digits than its factorization.

7127705666355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199687.

The product of its (nonzero) digits is 55566000, while the sum is 60.

The spelling of 7127705666355 in words is "seven trillion, one hundred twenty-seven billion, seven hundred five million, six hundred sixty-six thousand, three hundred fifty-five".