6480631511 has 8 divisors (see below), whose sum is σ = 7006088880. Its totient is φ = 5973611328.

The previous prime is 6480631459. The next prime is 6480631513. The reversal of 6480631511 is 1151360846.

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 6480631511 - 2⁶ = 6480631447 is a prime.

It is a super-2 number, since 2×6480631511² = 83997169562732286242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6480631513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4608566 + ... + 4609971.

It is an arithmetic number, because the mean of its divisors is an integer number (875761110).

Almost surely, 2^6480631511 is an apocalyptic number.

6480631511 is a deficient number, since it is larger than the sum of its proper divisors (525457369).

6480631511 is a wasteful number, since it uses less digits than its factorization.

6480631511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9218593.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 6480631511 is about 80502.3695986646. The cubic root of 6480631511 is about 1864.4000649231.

The spelling of 6480631511 in words is "six billion, four hundred eighty million, six hundred thirty-one thousand, five hundred eleven".