104534063561 has 4 divisors (see below), whose sum is σ = 110035856400. Its totient is φ = 99032270724.

The previous prime is 104534063533. The next prime is 104534063573. The reversal of 104534063561 is 165360435401.

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 104534063561 - 2⁶ = 104534063497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104534063531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2750896391 + ... + 2750896428.

It is an arithmetic number, because the mean of its divisors is an integer number (27508964100).

Almost surely, 2^104534063561 is an apocalyptic number.

It is an amenable number.

104534063561 is a deficient number, since it is larger than the sum of its proper divisors (5501792839).

104534063561 is an equidigital number, since it uses as much as digits as its factorization.

104534063561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5501792838.

The product of its (nonzero) digits is 129600, while the sum is 38.

Adding to 104534063561 its reverse (165360435401), we get a palindrome (269894498962).

The spelling of 104534063561 in words is "one hundred four billion, five hundred thirty-four million, sixty-three thousand, five hundred sixty-one".