11643616634325 has 24 divisors (see below), whose sum is σ = 20731608696288. Its totient is φ = 5732242034880.

The previous prime is 11643616634303. The next prime is 11643616634327. The reversal of 11643616634325 is 52343661634611.

It is a de Polignac number, because none of the positive numbers 2^k-11643616634325 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11643616634327) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5971084479 + ... + 5971086428.

It is an arithmetic number, because the mean of its divisors is an integer number (863817029012).

Almost surely, 2^{11643616634325} is an apocalyptic number.

11643616634325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11643616634325 is a deficient number, since it is larger than the sum of its proper divisors (9087992061963).

11643616634325 is a wasteful number, since it uses less digits than its factorization.

11643616634325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11942170933 (or 11942170928 counting only the distinct ones).

The product of its digits is 5598720, while the sum is 51.

The spelling of 11643616634325 in words is "eleven trillion, six hundred forty-three billion, six hundred sixteen million, six hundred thirty-four thousand, three hundred twenty-five".