6510651555055 has 8 divisors (see below), whose sum is σ = 8064807087744. Its totient is φ = 5040504429600.

The previous prime is 6510651555047. The next prime is 6510651555071. The reversal of 6510651555055 is 5505551560156.

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

It is not a de Polignac number, because 6510651555055 - 2³ = 6510651555047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21002101636 + ... + 21002101945.

It is an arithmetic number, because the mean of its divisors is an integer number (1008100885968).

Almost surely, 2^{6510651555055} is an apocalyptic number.

6510651555055 is a deficient number, since it is larger than the sum of its proper divisors (1554155532689).

6510651555055 is a wasteful number, since it uses less digits than its factorization.

6510651555055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42004203617.

The product of its (nonzero) digits is 2812500, while the sum is 49.

The spelling of 6510651555055 in words is "six trillion, five hundred ten billion, six hundred fifty-one million, five hundred fifty-five thousand, fifty-five".