65281155170028 has 48 divisors (see below), whose sum is σ = 174229001157120. Its totient is φ = 18636124258944.

The previous prime is 65281155169961. The next prime is 65281155170041. The reversal of 65281155170028 is 82007155118256.

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, 325615048 + ... + 325815471.

It is an arithmetic number, because the mean of its divisors is an integer number (3629770857440).

Almost surely, 2^{65281155170028} is an apocalyptic number.

It is an amenable number.

65281155170028 is an abundant number, since it is smaller than the sum of its proper divisors (108947845987092).

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

65281155170028 is a wasteful number, since it uses less digits than its factorization.

65281155170028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 651431726 (or 651431724 counting only the distinct ones).

The product of its (nonzero) digits is 1344000, while the sum is 51.

The spelling of 65281155170028 in words is "sixty-five trillion, two hundred eighty-one billion, one hundred fifty-five million, one hundred seventy thousand, twenty-eight".