2261896611 has 8 divisors (see below), whose sum is σ = 3247851600. Its totient is φ = 1391936352.

The previous prime is 2261896607. The next prime is 2261896619. The reversal of 2261896611 is 1166981622.

2261896611 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2261896611 - 2² = 2261896607 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2261896619) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28998636 + ... + 28998713.

It is an arithmetic number, because the mean of its divisors is an integer number (405981450).

Almost surely, 2^2261896611 is an apocalyptic number.

2261896611 is a deficient number, since it is larger than the sum of its proper divisors (985954989).

2261896611 is a wasteful number, since it uses less digits than its factorization.

2261896611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57997365.

The product of its digits is 62208, while the sum is 42.

The square root of 2261896611 is about 47559.4008688083. The cubic root of 2261896611 is about 1312.6761157594.

The spelling of 2261896611 in words is "two billion, two hundred sixty-one million, eight hundred ninety-six thousand, six hundred eleven".