65355874012 has 72 divisors (see below), whose sum is σ = 139765605840. Its totient is φ = 26476369920.

The previous prime is 65355873991. The next prime is 65355874019. The reversal of 65355874012 is 21047855356.

It is a super-2 number, since 2×65355874012² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65355874019) 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 23 ways as a sum of consecutive naturals, for example, 64108 + ... + 367180.

It is an arithmetic number, because the mean of its divisors is an integer number (1941188970).

Almost surely, 2^65355874012 is an apocalyptic number.

It is an amenable number.

65355874012 is an abundant number, since it is smaller than the sum of its proper divisors (74409731828).

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

65355874012 is a wasteful number, since it uses less digits than its factorization.

65355874012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303143 (or 303128 counting only the distinct ones).

The product of its (nonzero) digits is 1008000, while the sum is 46.

The spelling of 65355874012 in words is "sixty-five billion, three hundred fifty-five million, eight hundred seventy-four thousand, twelve".