2011000004191 has 16 divisors (see below), whose sum is σ = 2049223131648. Its totient is φ = 1973072455200.

The previous prime is 2011000004183. The next prime is 2011000004197. The reversal of 2011000004191 is 1914000001102.

It is a cyclic number.

It is not a de Polignac number, because 2011000004191 - 2³ = 2011000004183 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011000004197) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13680801 + ... + 13827013.

It is an arithmetic number, because the mean of its divisors is an integer number (128076445728).

Almost surely, 2^{2011000004191} is an apocalyptic number.

2011000004191 is a deficient number, since it is larger than the sum of its proper divisors (38223127457).

2011000004191 is a wasteful number, since it uses less digits than its factorization.

2011000004191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147222.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 2011000004191 its reverse (1914000001102), we get a palindrome (3925000005293).

The spelling of 2011000004191 in words is "two trillion, eleven billion, four thousand, one hundred ninety-one".