6650711255 has 4 divisors (see below), whose sum is σ = 7980853512. Its totient is φ = 5320569000.

The previous prime is 6650711129. The next prime is 6650711269. The reversal of 6650711255 is 5521170566.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 6650711255 - 2¹² = 6650707159 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 3 ways as a sum of consecutive naturals, for example, 665071121 + ... + 665071130.

It is an arithmetic number, because the mean of its divisors is an integer number (1995213378).

Almost surely, 2^6650711255 is an apocalyptic number.

6650711255 is a deficient number, since it is larger than the sum of its proper divisors (1330142257).

6650711255 is a wasteful number, since it uses less digits than its factorization.

6650711255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1330142256.

The product of its (nonzero) digits is 63000, while the sum is 38.

The square root of 6650711255 is about 81551.8930191078. The cubic root of 6650711255 is about 1880.5693966215.

The spelling of 6650711255 in words is "six billion, six hundred fifty million, seven hundred eleven thousand, two hundred fifty-five".