561435665045 has 8 divisors (see below), whose sum is σ = 673765204896. Its totient is φ = 449120260816.

The previous prime is 561435665027. The next prime is 561435665053. The reversal of 561435665045 is 540566534165.

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 561435665045 - 2⁶ = 561435664981 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 561435664984 and 561435665002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3446327 + ... + 3605556.

It is an arithmetic number, because the mean of its divisors is an integer number (84220650612).

Almost surely, 2^561435665045 is an apocalyptic number.

It is an amenable number.

561435665045 is a deficient number, since it is larger than the sum of its proper divisors (112329539851).

561435665045 is a wasteful number, since it uses less digits than its factorization.

561435665045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7067811.

The product of its (nonzero) digits is 6480000, while the sum is 50.

The spelling of 561435665045 in words is "five hundred sixty-one billion, four hundred thirty-five million, six hundred sixty-five thousand, forty-five".