6311455971 has 8 divisors (see below), whose sum is σ = 8415916224. Its totient is φ = 4207316520.

The previous prime is 6311455961. The next prime is 6311455979. The reversal of 6311455971 is 1795541136.

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

It is not a de Polignac number, because 6311455971 - 2¹⁵ = 6311423203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6311455979) 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, 29761 + ... + 116226.

It is an arithmetic number, because the mean of its divisors is an integer number (1051989528).

Almost surely, 2^6311455971 is an apocalyptic number.

6311455971 is a deficient number, since it is larger than the sum of its proper divisors (2104460253).

6311455971 is a wasteful number, since it uses less digits than its factorization.

6311455971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160401.

The product of its digits is 113400, while the sum is 42.

The square root of 6311455971 is about 79444.6723890281. The cubic root of 6311455971 is about 1848.0335541522.

The spelling of 6311455971 in words is "six billion, three hundred eleven million, four hundred fifty-five thousand, nine hundred seventy-one".