43611225241 has 2 divisors, whose sum is σ = 43611225242. Its totient is φ = 43611225240.

The previous prime is 43611225233. The next prime is 43611225253. The reversal of 43611225241 is 14252211634.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42041401600 + 1569823641 = 205040^2 + 39621^2 .

It is a cyclic number.

It is not a de Polignac number, because 43611225241 - 2³ = 43611225233 is a prime.

It is not a weakly prime, because it can be changed into another prime (43611225841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21805612620 + 21805612621.

It is an arithmetic number, because the mean of its divisors is an integer number (21805612621).

Almost surely, 2^43611225241 is an apocalyptic number.

It is an amenable number.

43611225241 is a deficient number, since it is larger than the sum of its proper divisors (1).

43611225241 is an equidigital number, since it uses as much as digits as its factorization.

43611225241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11520, while the sum is 31.

Adding to 43611225241 its reverse (14252211634), we get a palindrome (57863436875).

The spelling of 43611225241 in words is "forty-three billion, six hundred eleven million, two hundred twenty-five thousand, two hundred forty-one".