655711102000 has 40 divisors (see below), whose sum is σ = 1585509449472. Its totient is φ = 262284440000.

The previous prime is 655711101977. The next prime is 655711102003. The reversal of 655711102000 is 201117556.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 655711102000.

It is not an unprimeable number, because it can be changed into a prime (655711102003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163925776 + ... + 163929775.

Almost surely, 2^655711102000 is an apocalyptic number.

It is an amenable number.

655711102000 is an abundant number, since it is smaller than the sum of its proper divisors (929798347472).

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

655711102000 is a wasteful number, since it uses less digits than its factorization.

655711102000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327855574 (or 327855558 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 28.

Adding to 655711102000 its reverse (201117556), we get a palindrome (655912219556).

The spelling of 655711102000 in words is "six hundred fifty-five billion, seven hundred eleven million, one hundred two thousand".