241561111 has 16 divisors (see below), whose sum is σ = 276618240. Its totient is φ = 208801120.

The previous prime is 241561091. The next prime is 241561127. The reversal of 241561111 is 111165142.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-241561111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (241564111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41010 + ... + 46528.

It is an arithmetic number, because the mean of its divisors is an integer number (17288640).

Almost surely, 2^241561111 is an apocalyptic number.

241561111 is a deficient number, since it is larger than the sum of its proper divisors (35057129).

241561111 is a wasteful number, since it uses less digits than its factorization.

241561111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5726.

The product of its digits is 240, while the sum is 22.

The square root of 241561111 is about 15542.2363577447. The cubic root of 241561111 is about 622.7910165454.

The spelling of 241561111 in words is "two hundred forty-one million, five hundred sixty-one thousand, one hundred eleven".