11731730747265 has 96 divisors (see below), whose sum is σ = 21544521223680. Its totient is φ = 6121610774784.

The previous prime is 11731730747221. The next prime is 11731730747291. The reversal of 11731730747265 is 56274703713711.

11731730747265 is a `hidden beast` number, since 1 + 1 + 7 + 31 + 7 + 307 + 47 + 265 = 666.

It is not a de Polignac number, because 11731730747265 - 2²¹ = 11731728650113 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 166540071 + ... + 166610499.

It is an arithmetic number, because the mean of its divisors is an integer number (224422096080).

Almost surely, 2^{11731730747265} is an apocalyptic number.

11731730747265 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11731730747265 is a deficient number, since it is larger than the sum of its proper divisors (9812790476415).

11731730747265 is an equidigital number, since it uses as much as digits as its factorization.

11731730747265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73413 (or 73401 counting only the distinct ones).

The product of its (nonzero) digits is 5186160, while the sum is 54.

The spelling of 11731730747265 in words is "eleven trillion, seven hundred thirty-one billion, seven hundred thirty million, seven hundred forty-seven thousand, two hundred sixty-five".