2743112561 has 12 divisors (see below), whose sum is σ = 3194731440. Its totient is φ = 2348466120.

The previous prime is 2743112539. The next prime is 2743112563. The reversal of 2743112561 is 1652113472.

It is not a de Polignac number, because 2743112561 - 2²² = 2738918257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2743112563) 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 11 ways as a sum of consecutive naturals, for example, 9506 + ... + 74676.

It is an arithmetic number, because the mean of its divisors is an integer number (266227620).

Almost surely, 2^2743112561 is an apocalyptic number.

It is an amenable number.

2743112561 is a deficient number, since it is larger than the sum of its proper divisors (451618879).

2743112561 is an equidigital number, since it uses as much as digits as its factorization.

2743112561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66044 (or 66037 counting only the distinct ones).

The product of its digits is 10080, while the sum is 32.

The square root of 2743112561 is about 52374.7320852336. The cubic root of 2743112561 is about 1399.8490587268.

The spelling of 2743112561 in words is "two billion, seven hundred forty-three million, one hundred twelve thousand, five hundred sixty-one".