6378611011 has 8 divisors (see below), whose sum is σ = 6742425600. Its totient is φ = 6017606280.

The previous prime is 6378610991. The next prime is 6378611017. The reversal of 6378611011 is 1101168736.

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

It is not a de Polignac number, because 6378611011 - 2²³ = 6370222403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6378611017) 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, 697795 + ... + 706876.

It is an arithmetic number, because the mean of its divisors is an integer number (842803200).

Almost surely, 2^6378611011 is an apocalyptic number.

6378611011 is a deficient number, since it is larger than the sum of its proper divisors (363814589).

6378611011 is a wasteful number, since it uses less digits than its factorization.

6378611011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1404929.

The product of its (nonzero) digits is 6048, while the sum is 34.

The square root of 6378611011 is about 79866.2069401070. The cubic root of 6378611011 is about 1854.5649147790.

Adding to 6378611011 its reverse (1101168736), we get a palindrome (7479779747).

The spelling of 6378611011 in words is "six billion, three hundred seventy-eight million, six hundred eleven thousand, eleven".