5203146560561 has 4 divisors (see below), whose sum is σ = 5208472197732. Its totient is φ = 5197820923392.

The previous prime is 5203146560533. The next prime is 5203146560587. The reversal of 5203146560561 is 1650656413025.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1942120960000 + 3261025600561 = 1393600^2 + 1805831^2 .

It is a cyclic number.

It is not a de Polignac number, because 5203146560561 - 2⁶ = 5203146560497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5203146560531) 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, 2662817120 + ... + 2662819073.

It is an arithmetic number, because the mean of its divisors is an integer number (1302118049433).

Almost surely, 2^{5203146560561} is an apocalyptic number.

It is an amenable number.

5203146560561 is a deficient number, since it is larger than the sum of its proper divisors (5325637171).

5203146560561 is an equidigital number, since it uses as much as digits as its factorization.

5203146560561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5325637170.

The product of its (nonzero) digits is 648000, while the sum is 44.

The spelling of 5203146560561 in words is "five trillion, two hundred three billion, one hundred forty-six million, five hundred sixty thousand, five hundred sixty-one".