65005501000 has 256 divisors, whose sum is σ = 181776441600. Its totient is φ = 21478912000.

The previous prime is 65005500977. The next prime is 65005501003. The reversal of 65005501000 is 10550056.

It is a super-2 number, since 2×65005501000² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (65005501003) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5417007 + ... + 5428993.

It is an arithmetic number, because the mean of its divisors is an integer number (710064225).

Almost surely, 2^65005501000 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 65005501000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90888220800).

65005501000 is an abundant number, since it is smaller than the sum of its proper divisors (116770940600).

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

65005501000 is a wasteful number, since it uses less digits than its factorization.

65005501000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12065 (or 12051 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 22.

The spelling of 65005501000 in words is "sixty-five billion, five million, five hundred one thousand".