65550111652000 has 48 divisors (see below), whose sum is σ = 161056624338792. Its totient is φ = 26220044659200.

The previous prime is 65550111651977. The next prime is 65550111652057. The reversal of 65550111652000 is 25611105556.

65550111652000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 26695284895504 + 38854826756496 = 5166748^2 + 6233364^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8193759957 + ... + 8193767956.

Almost surely, 2^{65550111652000} is an apocalyptic number.

It is an amenable number.

65550111652000 is an abundant number, since it is smaller than the sum of its proper divisors (95506512686792).

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

65550111652000 is a wasteful number, since it uses less digits than its factorization.

65550111652000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16387527938 (or 16387527920 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 37.

Adding to 65550111652000 its reverse (25611105556), we get a palindrome (65575722757556).

The spelling of 65550111652000 in words is "sixty-five trillion, five hundred fifty billion, one hundred eleven million, six hundred fifty-two thousand".