6011991107 has 4 divisors (see below), whose sum is σ = 6205926336. Its totient is φ = 5818055880.

The previous prime is 6011991079. The next prime is 6011991127. The reversal of 6011991107 is 7011991106.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7011991106 = 2 ⋅3505995553.

It is a cyclic number.

It is not a de Polignac number, because 6011991107 - 2¹⁴ = 6011974723 is a prime.

It is a super-2 number, since 2×6011991107² = 72288074141294170898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6011991127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96967568 + ... + 96967629.

It is an arithmetic number, because the mean of its divisors is an integer number (1551481584).

Almost surely, 2^6011991107 is an apocalyptic number.

6011991107 is a deficient number, since it is larger than the sum of its proper divisors (193935229).

6011991107 is a wasteful number, since it uses less digits than its factorization.

6011991107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193935228.

The product of its (nonzero) digits is 3402, while the sum is 35.

The square root of 6011991107 is about 77537.0305531492. The cubic root of 6011991107 is about 1818.3303032837.

Subtracting 6011991107 from its reverse (7011991106), we obtain a palindrome (999999999).

The spelling of 6011991107 in words is "six billion, eleven million, nine hundred ninety-one thousand, one hundred seven".