11657807640744 has 64 divisors (see below), whose sum is σ = 30888604281600. Its totient is φ = 3653831215104.

The previous prime is 11657807640719. The next prime is 11657807640749. The reversal of 11657807640744 is 44704670875611.

It is not an unprimeable number, because it can be changed into a prime (11657807640749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13326357 + ... + 14174180.

It is an arithmetic number, because the mean of its divisors is an integer number (482634441900).

Almost surely, 2^{11657807640744} is an apocalyptic number.

It is an amenable number.

11657807640744 is an abundant number, since it is smaller than the sum of its proper divisors (19230796640856).

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

11657807640744 is a wasteful number, since it uses less digits than its factorization.

11657807640744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27501602 (or 27501598 counting only the distinct ones).

The product of its (nonzero) digits is 31610880, while the sum is 60.

The spelling of 11657807640744 in words is "eleven trillion, six hundred fifty-seven billion, eight hundred seven million, six hundred forty thousand, seven hundred forty-four".