65053109632 has 64 divisors (see below), whose sum is σ = 148376217600. Its totient is φ = 27830168064.

The previous prime is 65053109573. The next prime is 65053109659. The reversal of 65053109632 is 23690135056.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×65053109632² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 439969 + ... + 568927.

It is an arithmetic number, because the mean of its divisors is an integer number (2318378400).

Almost surely, 2^65053109632 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 65053109632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74188108800).

65053109632 is an abundant number, since it is smaller than the sum of its proper divisors (83323107968).

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

65053109632 is a wasteful number, since it uses less digits than its factorization.

65053109632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129543 (or 129531 counting only the distinct ones).

The product of its (nonzero) digits is 145800, while the sum is 40.

The spelling of 65053109632 in words is "sixty-five billion, fifty-three million, one hundred nine thousand, six hundred thirty-two".