6465126311 has 16 divisors (see below), whose sum is σ = 7455356160. Its totient is φ = 5491696320.

The previous prime is 6465126289. The next prime is 6465126319. The reversal of 6465126311 is 1136215646.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6465126311 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6465126319) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 588176 + ... + 599066.

It is an arithmetic number, because the mean of its divisors is an integer number (465959760).

Almost surely, 2^6465126311 is an apocalyptic number.

6465126311 is a deficient number, since it is larger than the sum of its proper divisors (990229849).

6465126311 is a wasteful number, since it uses less digits than its factorization.

6465126311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11654.

The product of its digits is 25920, while the sum is 35.

The square root of 6465126311 is about 80406.0091722006. The cubic root of 6465126311 is about 1862.9119907539.

The spelling of 6465126311 in words is "six billion, four hundred sixty-five million, one hundred twenty-six thousand, three hundred eleven".