711991134318244 has 45 divisors (see below), whose sum is σ = 1370586853707505. Its totient is φ = 323629398633200.

The previous prime is 711991134318239. The next prime is 711991134318253. The reversal of 711991134318244 is 442813431199117.

The square root of 711991134318244 is 26683162.

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

711991134318244 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 393198679660644 + 318792454657600 = 19829238^2 + 17854760^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 6457270074 + ... + 6457380334.

Almost surely, 2^{711991134318244} is an apocalyptic number.

711991134318244 is the 26683162-nd square number.

It is an amenable number.

711991134318244 is a deficient number, since it is larger than the sum of its proper divisors (658595719389261).

711991134318244 is an frugal number, since it uses more digits than its factorization.

711991134318244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220570 (or 110274 counting only the distinct ones).

The product of its digits is 5225472, while the sum is 58.

The spelling of 711991134318244 in words is "seven hundred eleven trillion, nine hundred ninety-one billion, one hundred thirty-four million, three hundred eighteen thousand, two hundred forty-four".