6091118857 has 4 divisors (see below), whose sum is σ = 6411704080. Its totient is φ = 5770533636.

The previous prime is 6091118809. The next prime is 6091118879. The reversal of 6091118857 is 7588111906.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6091118857 - 2⁷ = 6091118729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6091118357) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 160292583 + ... + 160292620.

It is an arithmetic number, because the mean of its divisors is an integer number (1602926020).

Almost surely, 2^6091118857 is an apocalyptic number.

It is an amenable number.

6091118857 is a deficient number, since it is larger than the sum of its proper divisors (320585223).

6091118857 is a wasteful number, since it uses less digits than its factorization.

6091118857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320585222.

The product of its (nonzero) digits is 120960, while the sum is 46.

The square root of 6091118857 is about 78045.6203575832. The cubic root of 6091118857 is about 1826.2729700840.

The spelling of 6091118857 in words is "six billion, ninety-one million, one hundred eighteen thousand, eight hundred fifty-seven".