4111345561 has 8 divisors (see below), whose sum is σ = 4213085184. Its totient is φ = 4009675680.

The previous prime is 4111345549. The next prime is 4111345591. The reversal of 4111345561 is 1655431114.

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

It is a cyclic number.

It is not a de Polignac number, because 4111345561 - 2¹⁷ = 4111214489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4111345531) 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 7 ways as a sum of consecutive naturals, for example, 114016 + ... + 145678.

It is an arithmetic number, because the mean of its divisors is an integer number (526635648).

Almost surely, 2^4111345561 is an apocalyptic number.

4111345561 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

4111345561 is a deficient number, since it is larger than the sum of its proper divisors (101739623).

4111345561 is a wasteful number, since it uses less digits than its factorization.

4111345561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34871.

The product of its digits is 7200, while the sum is 31.

The square root of 4111345561 is about 64119.7751165738. The cubic root of 4111345561 is about 1601.9956298006.

Adding to 4111345561 its reverse (1655431114), we get a palindrome (5766776675).

The spelling of 4111345561 in words is "four billion, one hundred eleven million, three hundred forty-five thousand, five hundred sixty-one".