65550120201156 has 24 divisors (see below), whose sum is σ = 152951116276224. Its totient is φ = 21849920666080.

The previous prime is 65550120201131. The next prime is 65550120201157. The reversal of 65550120201156 is 65110202105556.

65550120201156 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (65550120201157) by changing a digit.

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, 12623460 + ... + 17042651.

It is an arithmetic number, because the mean of its divisors is an integer number (6372963178176).

Almost surely, 2^{65550120201156} is an apocalyptic number.

It is an amenable number.

65550120201156 is an abundant number, since it is smaller than the sum of its proper divisors (87400996075068).

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

65550120201156 is a wasteful number, since it uses less digits than its factorization.

65550120201156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29850251 (or 29850249 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 39.

The spelling of 65550120201156 in words is "sixty-five trillion, five hundred fifty billion, one hundred twenty million, two hundred one thousand, one hundred fifty-six".