11456642452663 has 4 divisors (see below), whose sum is σ = 11456654427400. Its totient is φ = 11456630477928.

The previous prime is 11456642452609. The next prime is 11456642452669. The reversal of 11456642452663 is 36625424665411.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11456642452663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11456642452669) 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, 4414545 + ... + 6511642.

It is an arithmetic number, because the mean of its divisors is an integer number (2864163606850).

Almost surely, 2^{11456642452663} is an apocalyptic number.

11456642452663 is a deficient number, since it is larger than the sum of its proper divisors (11974737).

11456642452663 is a wasteful number, since it uses less digits than its factorization.

11456642452663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11974736.

The product of its digits is 24883200, while the sum is 55.

The spelling of 11456642452663 in words is "eleven trillion, four hundred fifty-six billion, six hundred forty-two million, four hundred fifty-two thousand, six hundred sixty-three".