41115161 has 2 divisors, whose sum is σ = 41115162. Its totient is φ = 41115160.

The previous prime is 41115157. The next prime is 41115167. The reversal of 41115161 is 16151114.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35331136 + 5784025 = 5944^2 + 2405^2 .

It is a cyclic number.

It is not a de Polignac number, because 41115161 - 2² = 41115157 is a prime.

It is not a weakly prime, because it can be changed into another prime (41115167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20557580 + 20557581.

It is an arithmetic number, because the mean of its divisors is an integer number (20557581).

Almost surely, 2^41115161 is an apocalyptic number.

It is an amenable number.

41115161 is a deficient number, since it is larger than the sum of its proper divisors (1).

41115161 is an equidigital number, since it uses as much as digits as its factorization.

41115161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 120, while the sum is 20.

The square root of 41115161 is about 6412.1104949930. The cubic root of 41115161 is about 345.1442678858.

Adding to 41115161 its reverse (16151114), we get a palindrome (57266275).

It can be divided in two parts, 4 and 1115161, that multiplied together give a palindrome (4460644).

The spelling of 41115161 in words is "forty-one million, one hundred fifteen thousand, one hundred sixty-one".