1080703705761 has 27 divisors (see below), whose sum is σ = 1569873108531. Its totient is φ = 716404422384.

The previous prime is 1080703705747. The next prime is 1080703705777. The reversal of 1080703705761 is 1675073070801.

The square root of 1080703705761 is 1039569.

It is a perfect power (a square), and thus also a powerful number.

1080703705761 is a `hidden beast` number, since 1 + 0 + 8 + 0 + 7 + 0 + 3 + 70 + 576 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1058871870225 + 21831835536 = 1029015^2 + 147756^2 .

It is not a de Polignac number, because 1080703705761 - 2¹¹ = 1080703703713 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1080703745761) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 614384400 + ... + 614386158.

Almost surely, 2^{1080703705761} is an apocalyptic number.

1080703705761 is the 1039569-th square number.

1080703705761 is the 519785-th centered octagonal number.

It is an amenable number.

1080703705761 is a deficient number, since it is larger than the sum of its proper divisors (489169402770).

1080703705761 is an frugal number, since it uses more digits than its factorization.

1080703705761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3918 (or 1959 counting only the distinct ones).

The product of its (nonzero) digits is 246960, while the sum is 45.

The spelling of 1080703705761 in words is "one trillion, eighty billion, seven hundred three million, seven hundred five thousand, seven hundred sixty-one".