6515055000 has 120 divisors (see below), whose sum is σ = 22049270100. Its totient is φ = 1737336000.

The previous prime is 6515054947. The next prime is 6515055011. The reversal of 6515055000 is 5505156.

6515055000 is a `hidden beast` number, since 6 + 5 + 150 + 5 + 500 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 27390 + ... + 117389.

Almost surely, 2^6515055000 is an apocalyptic number.

6515055000 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6515055000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11024635050).

6515055000 is an abundant number, since it is smaller than the sum of its proper divisors (15534215100).

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

6515055000 is a wasteful number, since it uses less digits than its factorization.

6515055000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144811 (or 144789 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 27.

The square root of 6515055000 is about 80715.8906287975. The cubic root of 6515055000 is about 1867.6953124435.

The spelling of 6515055000 in words is "six billion, five hundred fifteen million, fifty-five thousand".