65220112155006 has 48 divisors (see below), whose sum is σ = 142633410332400. Its totient is φ = 21536480335104.

The previous prime is 65220112155001. The next prime is 65220112155007. The reversal of 65220112155006 is 60055121102256.

65220112155006 is a `hidden beast` number, since 6 + 5 + 2 + 20 + 1 + 121 + 5 + 500 + 6 = 666.

It is a super-2 number, since 2×65220112155006² (a number of 28 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65220112155001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 122206150 + ... + 122738678.

It is an arithmetic number, because the mean of its divisors is an integer number (2971529381925).

Almost surely, 2^{65220112155006} is an apocalyptic number.

65220112155006 is an abundant number, since it is smaller than the sum of its proper divisors (77413298177394).

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

65220112155006 is a wasteful number, since it uses less digits than its factorization.

65220112155006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 596233 (or 596230 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 36.

The spelling of 65220112155006 in words is "sixty-five trillion, two hundred twenty billion, one hundred twelve million, one hundred fifty-five thousand, six".