41056406110661 has 4 divisors (see below), whose sum is σ = 41201481750912. Its totient is φ = 40911330470412.

The previous prime is 41056406110631. The next prime is 41056406110697. The reversal of 41056406110661 is 16601160465014.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 41056406110661 - 2¹⁸ = 41056405848517 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 (41056406110631) 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 3 ways as a sum of consecutive naturals, for example, 72537819701 + ... + 72537820266.

It is an arithmetic number, because the mean of its divisors is an integer number (10300370437728).

Almost surely, 2^{41056406110661} is an apocalyptic number.

It is an amenable number.

41056406110661 is a deficient number, since it is larger than the sum of its proper divisors (145075640251).

41056406110661 is a wasteful number, since it uses less digits than its factorization.

41056406110661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145075640250.

The product of its (nonzero) digits is 103680, while the sum is 41.

Adding to 41056406110661 its reverse (16601160465014), we get a palindrome (57657566575675).

The spelling of 41056406110661 in words is "forty-one trillion, fifty-six billion, four hundred six million, one hundred ten thousand, six hundred sixty-one".