6111778339 has 8 divisors (see below), whose sum is σ = 6513200640. Its totient is φ = 5721663816.

The previous prime is 6111778319. The next prime is 6111778397. The reversal of 6111778339 is 9338771116.

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

It is a de Polignac number, because none of the positive numbers 2^k-6111778339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6111778319) 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, 2825829 + ... + 2827990.

It is an arithmetic number, because the mean of its divisors is an integer number (814150080).

Almost surely, 2^6111778339 is an apocalyptic number.

6111778339 is a deficient number, since it is larger than the sum of its proper divisors (401422301).

6111778339 is a wasteful number, since it uses less digits than its factorization.

6111778339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5653889.

The product of its digits is 190512, while the sum is 46.

The square root of 6111778339 is about 78177.8634844928. The cubic root of 6111778339 is about 1828.3353868603.

The spelling of 6111778339 in words is "six billion, one hundred eleven million, seven hundred seventy-eight thousand, three hundred thirty-nine".