6116911385 has 8 divisors (see below), whose sum is σ = 7904931720. Its totient is φ = 4517103744.

The previous prime is 6116911369. The next prime is 6116911393. The reversal of 6116911385 is 5831196116.

It can be written as a sum of positive squares in 4 ways, for example, as 19175641 + 6097735744 = 4379^2 + 78088^2 .

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 6116911385 - 2⁴ = 6116911369 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47053100 + ... + 47053229.

It is an arithmetic number, because the mean of its divisors is an integer number (988116465).

Almost surely, 2^6116911385 is an apocalyptic number.

6116911385 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

6116911385 is a deficient number, since it is larger than the sum of its proper divisors (1788020335).

6116911385 is a wasteful number, since it uses less digits than its factorization.

6116911385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94106347.

The product of its digits is 38880, while the sum is 41.

The square root of 6116911385 is about 78210.6858747575. The cubic root of 6116911385 is about 1828.8470930011.

The spelling of 6116911385 in words is "six billion, one hundred sixteen million, nine hundred eleven thousand, three hundred eighty-five".