41113561 has 8 divisors (see below), whose sum is σ = 42739200. Its totient is φ = 39501840.

The previous prime is 41113543. The next prime is 41113571. The reversal of 41113561 is 16531114.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-41113561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (41113571) 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, 2760 + ... + 9478.

It is an arithmetic number, because the mean of its divisors is an integer number (5342400).

Almost surely, 2^41113561 is an apocalyptic number.

It is an amenable number.

41113561 is a deficient number, since it is larger than the sum of its proper divisors (1625639).

41113561 is a wasteful number, since it uses less digits than its factorization.

41113561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6959.

The product of its digits is 360, while the sum is 22.

The square root of 41113561 is about 6411.9857298656. The cubic root of 41113561 is about 345.1397907215.

Adding to 41113561 its reverse (16531114), we get a palindrome (57644675).

The spelling of 41113561 in words is "forty-one million, one hundred thirteen thousand, five hundred sixty-one".