561020615701 has 16 divisors (see below), whose sum is σ = 695923830784. Its totient is φ = 440389281024.

The previous prime is 561020615641. The next prime is 561020615777. The reversal of 561020615701 is 107516020165.

It is not a de Polignac number, because 561020615701 - 2¹³ = 561020607509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561020615791) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24260340 + ... + 24283453.

It is an arithmetic number, because the mean of its divisors is an integer number (43495239424).

Almost surely, 2^561020615701 is an apocalyptic number.

It is an amenable number.

561020615701 is a deficient number, since it is larger than the sum of its proper divisors (134903215083).

561020615701 is a wasteful number, since it uses less digits than its factorization.

561020615701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48543940.

The product of its (nonzero) digits is 12600, while the sum is 34.

Adding to 561020615701 its reverse (107516020165), we get a palindrome (668536635866).

The spelling of 561020615701 in words is "five hundred sixty-one billion, twenty million, six hundred fifteen thousand, seven hundred one".