65135155632 has 20 divisors (see below), whose sum is σ = 168265818840. Its totient is φ = 21711718528.

The previous prime is 65135155619. The next prime is 65135155661. The reversal of 65135155632 is 23655153156.

It is a super-2 number, since 2×65135155632² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 678491157 + ... + 678491252.

It is an arithmetic number, because the mean of its divisors is an integer number (8413290942).

Almost surely, 2^65135155632 is an apocalyptic number.

It is an amenable number.

65135155632 is an abundant number, since it is smaller than the sum of its proper divisors (103130663208).

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

65135155632 is a wasteful number, since it uses less digits than its factorization.

65135155632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1356982420 (or 1356982414 counting only the distinct ones).

The product of its digits is 405000, while the sum is 42.

The spelling of 65135155632 in words is "sixty-five billion, one hundred thirty-five million, one hundred fifty-five thousand, six hundred thirty-two".