6111930209 has 48 divisors (see below), whose sum is σ = 7940441088. Its totient is φ = 4570020000.

The previous prime is 6111930199. The next prime is 6111930221. The reversal of 6111930209 is 9020391116.

It is not a de Polignac number, because 6111930209 - 2¹² = 6111926113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6111930109) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11173274 + ... + 11173820.

It is an arithmetic number, because the mean of its divisors is an integer number (165425856).

Almost surely, 2^6111930209 is an apocalyptic number.

It is an amenable number.

6111930209 is a deficient number, since it is larger than the sum of its proper divisors (1828510879).

6111930209 is a wasteful number, since it uses less digits than its factorization.

6111930209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 778 (or 747 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 32.

The square root of 6111930209 is about 78178.8347892190. The cubic root of 6111930209 is about 1828.3505306793.

The spelling of 6111930209 in words is "six billion, one hundred eleven million, nine hundred thirty thousand, two hundred nine".