11731730747264 has 64 divisors (see below), whose sum is σ = 25691147412480. Its totient is φ = 5291897894400.

The previous prime is 11731730747221. The next prime is 11731730747291. The reversal of 11731730747264 is 46274703713711.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31617824 + ... + 31986719.

It is an arithmetic number, because the mean of its divisors is an integer number (401424178320).

Almost surely, 2^{11731730747264} is an apocalyptic number.

It is an amenable number.

11731730747264 is an abundant number, since it is smaller than the sum of its proper divisors (13959416665216).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11731730747264 is a wasteful number, since it uses less digits than its factorization.

11731730747264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63604699 (or 63604687 counting only the distinct ones).

The product of its (nonzero) digits is 4148928, while the sum is 53.

The spelling of 11731730747264 in words is "eleven trillion, seven hundred thirty-one billion, seven hundred thirty million, seven hundred forty-seven thousand, two hundred sixty-four".