11946665456742 has 8 divisors (see below), whose sum is σ = 23893330913496. Its totient is φ = 3982221818912.

The previous prime is 11946665456731. The next prime is 11946665456749. The reversal of 11946665456742 is 24765456664911.

It is a sphenic number, since it is the product of 3 distinct primes.

11946665456742 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11946665456749) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 995555454723 + ... + 995555454734.

It is an arithmetic number, because the mean of its divisors is an integer number (2986666364187).

Almost surely, 2^{11946665456742} is an apocalyptic number.

11946665456742 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

11946665456742 is a wasteful number, since it uses less digits than its factorization.

11946665456742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1991110909462.

The product of its digits is 261273600, while the sum is 66.

The spelling of 11946665456742 in words is "eleven trillion, nine hundred forty-six billion, six hundred sixty-five million, four hundred fifty-six thousand, seven hundred forty-two".