102108065728 has 28 divisors (see below), whose sum is σ = 202658225112. Its totient is φ = 51044576000.

The previous prime is 102108065711. The next prime is 102108065729. The reversal of 102108065728 is 827560801201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102108065729) 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, 207051 + ... + 497077.

It is an arithmetic number, because the mean of its divisors is an integer number (7237793754).

Almost surely, 2^102108065728 is an apocalyptic number.

It is an amenable number.

102108065728 is a deficient number, since it is larger than the sum of its proper divisors (100550159384).

102108065728 is an equidigital number, since it uses as much as digits as its factorization.

102108065728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295540 (or 295530 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 40.

Adding to 102108065728 its reverse (827560801201), we get a palindrome (929668866929).

The spelling of 102108065728 in words is "one hundred two billion, one hundred eight million, sixty-five thousand, seven hundred twenty-eight".