561104450671 has 8 divisors (see below), whose sum is σ = 561907619424. Its totient is φ = 560301446880.

The previous prime is 561104450597. The next prime is 561104450689. The reversal of 561104450671 is 176054401165.

561104450671 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 561104450671 - 2²¹ = 561102353519 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 (561104457671) 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, 7830321 + ... + 7901653.

It is an arithmetic number, because the mean of its divisors is an integer number (70238452428).

Almost surely, 2^561104450671 is an apocalyptic number.

561104450671 is a deficient number, since it is larger than the sum of its proper divisors (803168753).

561104450671 is a wasteful number, since it uses less digits than its factorization.

561104450671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82481.

The product of its (nonzero) digits is 100800, while the sum is 40.

The spelling of 561104450671 in words is "five hundred sixty-one billion, one hundred four million, four hundred fifty thousand, six hundred seventy-one".