3561255561241 has 8 divisors (see below), whose sum is σ = 4070107528640. Its totient is φ = 3052428887088.

The previous prime is 3561255561223. The next prime is 3561255561251. The reversal of 3561255561241 is 1421655521653.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3561255561241 - 2³⁹ = 3011499747353 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3561255561191 and 3561255561200.

It is not an unprimeable number, because it can be changed into a prime (3561255561251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6020631 + ... + 6585628.

It is an arithmetic number, because the mean of its divisors is an integer number (508763441080).

Almost surely, 2^{3561255561241} is an apocalyptic number.

It is an amenable number.

3561255561241 is a deficient number, since it is larger than the sum of its proper divisors (508851967399).

3561255561241 is a wasteful number, since it uses less digits than its factorization.

3561255561241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12646623.

The product of its digits is 1080000, while the sum is 46.

The spelling of 3561255561241 in words is "three trillion, five hundred sixty-one billion, two hundred fifty-five million, five hundred sixty-one thousand, two hundred forty-one".