6501055049985 has 8 divisors (see below), whose sum is σ = 10401688080000. Its totient is φ = 3467229359984.

The previous prime is 6501055049977. The next prime is 6501055049989. The reversal of 6501055049985 is 5899405501056.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6501055049985 - 2³ = 6501055049977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6501055049989) by changing a digit.

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, 216701834985 + ... + 216701835014.

It is an arithmetic number, because the mean of its divisors is an integer number (1300211010000).

Almost surely, 2^{6501055049985} is an apocalyptic number.

It is an amenable number.

6501055049985 is a deficient number, since it is larger than the sum of its proper divisors (3900633030015).

6501055049985 is a wasteful number, since it uses less digits than its factorization.

6501055049985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433403670007.

The product of its (nonzero) digits is 9720000, while the sum is 57.

The spelling of 6501055049985 in words is "six trillion, five hundred one billion, fifty-five million, forty-nine thousand, nine hundred eighty-five".