65118155000 has 80 divisors (see below), whose sum is σ = 153687116880. Its totient is φ = 25856864000.

The previous prime is 65118154993. The next prime is 65118155029. The reversal of 65118155000 is 55181156.

It is a super-2 number, since 2×65118155000² (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 (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 637469 + ... + 732531.

It is an arithmetic number, because the mean of its divisors is an integer number (1921088961).

Almost surely, 2^65118155000 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 65118155000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76843558440).

65118155000 is an abundant number, since it is smaller than the sum of its proper divisors (88568961880).

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

65118155000 is a wasteful number, since it uses less digits than its factorization.

65118155000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95226 (or 95207 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 32.

The spelling of 65118155000 in words is "sixty-five billion, one hundred eighteen million, one hundred fifty-five thousand".