41281198561 has 4 divisors (see below), whose sum is σ = 41287506624. Its totient is φ = 41274890500.

The previous prime is 41281198547. The next prime is 41281198579. The reversal of 41281198561 is 16589118214.

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 41281198561 - 2³¹ = 39133714913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (41282198561) 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, 3144205 + ... + 3157306.

It is an arithmetic number, because the mean of its divisors is an integer number (10321876656).

Almost surely, 2^41281198561 is an apocalyptic number.

It is an amenable number.

41281198561 is a deficient number, since it is larger than the sum of its proper divisors (6308063).

41281198561 is an equidigital number, since it uses as much as digits as its factorization.

41281198561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6308062.

The product of its digits is 138240, while the sum is 46.

The spelling of 41281198561 in words is "forty-one billion, two hundred eighty-one million, one hundred ninety-eight thousand, five hundred sixty-one".