41235443235661 has 8 divisors (see below), whose sum is σ = 41312697678648. Its totient is φ = 41158192608000.

The previous prime is 41235443235659. The next prime is 41235443235667. The reversal of 41235443235661 is 16653234453214.

It can be written as a sum of positive squares in 4 ways, for example, as 10924307377636 + 30311135858025 = 3305194^2 + 5505555^2 .

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 41235443235661 - 2¹ = 41235443235659 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41235443235667) 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, 21161841 + ... + 23028121.

It is an arithmetic number, because the mean of its divisors is an integer number (5164087209831).

Almost surely, 2^{41235443235661} is an apocalyptic number.

It is an amenable number.

41235443235661 is a deficient number, since it is larger than the sum of its proper divisors (77254442987).

41235443235661 is a wasteful number, since it uses less digits than its factorization.

41235443235661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1907663.

The product of its digits is 6220800, while the sum is 49.

Adding to 41235443235661 its reverse (16653234453214), we get a palindrome (57888677688875).

The spelling of 41235443235661 in words is "forty-one trillion, two hundred thirty-five billion, four hundred forty-three million, two hundred thirty-five thousand, six hundred sixty-one".