6315136676721 has 24 divisors (see below), whose sum is σ = 9378469526400. Its totient is φ = 4092860209056.

The previous prime is 6315136676701. The next prime is 6315136676729. The reversal of 6315136676721 is 1276766315136.

6315136676721 is a `hidden beast` number, since 6 + 3 + 1 + 513 + 6 + 67 + 67 + 2 + 1 = 666.

It is not a de Polignac number, because 6315136676721 - 2⁵ = 6315136676689 is a prime.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6315136676729) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 50035635 + ... + 50161688.

It is an arithmetic number, because the mean of its divisors is an integer number (390769563600).

Almost surely, 2^{6315136676721} is an apocalyptic number.

It is an amenable number.

6315136676721 is a deficient number, since it is larger than the sum of its proper divisors (3063332849679).

6315136676721 is a wasteful number, since it uses less digits than its factorization.

6315136676721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100197525 (or 100197522 counting only the distinct ones).

The product of its digits is 5715360, while the sum is 54.

The spelling of 6315136676721 in words is "six trillion, three hundred fifteen billion, one hundred thirty-six million, six hundred seventy-six thousand, seven hundred twenty-one".