2261847111 has 16 divisors (see below), whose sum is σ = 3139744224. Its totient is φ = 1447041024.

The previous prime is 2261847103. The next prime is 2261847131. The reversal of 2261847111 is 1117481622.

It is not a de Polignac number, because 2261847111 - 2³ = 2261847103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2261847131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131466 + ... + 147671.

It is an arithmetic number, because the mean of its divisors is an integer number (196234014).

Almost surely, 2^2261847111 is an apocalyptic number.

2261847111 is a deficient number, since it is larger than the sum of its proper divisors (877897113).

2261847111 is a wasteful number, since it uses less digits than its factorization.

2261847111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279250.

The product of its digits is 5376, while the sum is 33.

The square root of 2261847111 is about 47558.8804641152. The cubic root of 2261847111 is about 1312.6665400282. Note that the first 3 decimals are identical.

The spelling of 2261847111 in words is "two billion, two hundred sixty-one million, eight hundred forty-seven thousand, one hundred eleven".