561235616147 has 4 divisors (see below), whose sum is σ = 561238266240. Its totient is φ = 561232966056.

The previous prime is 561235616111. The next prime is 561235616159. The reversal of 561235616147 is 741616532165.

It is a happy number.

561235616147 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 561235616147 - 2³⁶ = 492516139411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (561235616177) 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, 976883 + ... + 1441100.

It is an arithmetic number, because the mean of its divisors is an integer number (140309566560).

Almost surely, 2^561235616147 is an apocalyptic number.

561235616147 is a deficient number, since it is larger than the sum of its proper divisors (2650093).

561235616147 is a wasteful number, since it uses less digits than its factorization.

561235616147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2650092.

The product of its digits is 907200, while the sum is 47.

The spelling of 561235616147 in words is "five hundred sixty-one billion, two hundred thirty-five million, six hundred sixteen thousand, one hundred forty-seven".