11731730747266 has 24 divisors (see below), whose sum is σ = 18736891016364. Its totient is φ = 5507957387520.

The previous prime is 11731730747221. The next prime is 11731730747291. The reversal of 11731730747266 is 66274703713711.

It can be written as a sum of positive squares in 2 ways, for example, as 9912391076025 + 1819339671241 = 3148395^2 + 1348829^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 71816355 + ... + 71979526.

Almost surely, 2^{11731730747266} is an apocalyptic number.

11731730747266 is a deficient number, since it is larger than the sum of its proper divisors (7005160269098).

11731730747266 is a wasteful number, since it uses less digits than its factorization.

11731730747266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143796034 (or 143796015 counting only the distinct ones).

The product of its (nonzero) digits is 6223392, while the sum is 55.

The spelling of 11731730747266 in words is "eleven trillion, seven hundred thirty-one billion, seven hundred thirty million, seven hundred forty-seven thousand, two hundred sixty-six".