65560255206556 has 48 divisors (see below), whose sum is σ = 127829119703040. Its totient is φ = 29164783302720.

The previous prime is 65560255206539. The next prime is 65560255206583.

It is a happy number.

65560255206556 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×65560255206556² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 65560255206556.

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, 46935661 + ... + 48312283.

It is an arithmetic number, because the mean of its divisors is an integer number (2663106660480).

Almost surely, 2^{65560255206556} is an apocalyptic number.

It is an amenable number.

65560255206556 is a deficient number, since it is larger than the sum of its proper divisors (62268864496484).

65560255206556 is a wasteful number, since it uses less digits than its factorization.

65560255206556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1399714 (or 1399712 counting only the distinct ones).

The product of its (nonzero) digits is 81000000, while the sum is 58.

The spelling of 65560255206556 in words is "sixty-five trillion, five hundred sixty billion, two hundred fifty-five million, two hundred six thousand, five hundred fifty-six".