12664135092056 has 64 divisors (see below), whose sum is σ = 27178990836480. Its totient is φ = 5419178570880.

The previous prime is 12664135092031. The next prime is 12664135092079. The reversal of 12664135092056 is 65029053146621.

It is a junction number, because it is equal to n+sod(n) for n = 12664135091995 and 12664135092013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 169698191 + ... + 169772801.

It is an arithmetic number, because the mean of its divisors is an integer number (424671731820).

Almost surely, 2^{12664135092056} is an apocalyptic number.

It is an amenable number.

12664135092056 is an abundant number, since it is smaller than the sum of its proper divisors (14514855744424).

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

12664135092056 is a wasteful number, since it uses less digits than its factorization.

12664135092056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79224 (or 79220 counting only the distinct ones).

The product of its (nonzero) digits is 2332800, while the sum is 50.

The spelling of 12664135092056 in words is "twelve trillion, six hundred sixty-four billion, one hundred thirty-five million, ninety-two thousand, fifty-six".