6505561150 has 24 divisors (see below), whose sum is σ = 13200376104. Its totient is φ = 2365658400.

The previous prime is 6505561129. The next prime is 6505561169. The reversal of 6505561150 is 511655056.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5913597 + ... + 5914696.

It is an arithmetic number, because the mean of its divisors is an integer number (550015671).

Almost surely, 2^6505561150 is an apocalyptic number.

6505561150 is an abundant number, since it is smaller than the sum of its proper divisors (6694814954).

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

6505561150 is a wasteful number, since it uses less digits than its factorization.

6505561150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11828316 (or 11828311 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 34.

The square root of 6505561150 is about 80657.0588975323. The cubic root of 6505561150 is about 1866.7876588595.

The spelling of 6505561150 in words is "six billion, five hundred five million, five hundred sixty-one thousand, one hundred fifty".