65109284112 has 160 divisors (see below), whose sum is σ = 176356212480. Its totient is φ = 20672870400.

The previous prime is 65109284111. The next prime is 65109284129. The reversal of 65109284112 is 21148290156.

It is not an unprimeable number, because it can be changed into a prime (65109284111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32999158 + ... + 33001130.

It is an arithmetic number, because the mean of its divisors is an integer number (1102226328).

Almost surely, 2^65109284112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65109284112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88178106240).

65109284112 is an abundant number, since it is smaller than the sum of its proper divisors (111246928368).

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

65109284112 is a wasteful number, since it uses less digits than its factorization.

65109284112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2321 (or 2315 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 39.

The spelling of 65109284112 in words is "sixty-five billion, one hundred nine million, two hundred eighty-four thousand, one hundred twelve".