65506055060655 has 48 divisors (see below), whose sum is σ = 124062296716800. Its totient is φ = 31710177777600.

The previous prime is 65506055060597. The next prime is 65506055060671. The reversal of 65506055060655 is 55606055060556.

It is not a de Polignac number, because 65506055060655 - 2¹³ = 65506055052463 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 104549355 + ... + 105174044.

It is an arithmetic number, because the mean of its divisors is an integer number (2584631181600).

Almost surely, 2^{65506055060655} is an apocalyptic number.

65506055060655 is a deficient number, since it is larger than the sum of its proper divisors (58556241656145).

65506055060655 is a wasteful number, since it uses less digits than its factorization.

65506055060655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209724052 (or 209724049 counting only the distinct ones).

The product of its (nonzero) digits is 20250000, while the sum is 54.

Subtracting from 65506055060655 its reverse (55606055060556), we obtain a palindrome (9900000000099).

The spelling of 65506055060655 in words is "sixty-five trillion, five hundred six billion, fifty-five million, sixty thousand, six hundred fifty-five".