561336552133 has 4 divisors (see below), whose sum is σ = 641527488160. Its totient is φ = 481145616108.

The previous prime is 561336552131. The next prime is 561336552143. The reversal of 561336552133 is 331255633165.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 561336552133 - 2¹ = 561336552131 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 561336552133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561336552131) 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, 40095468003 + ... + 40095468016.

It is an arithmetic number, because the mean of its divisors is an integer number (160381872040).

Almost surely, 2^561336552133 is an apocalyptic number.

It is an amenable number.

561336552133 is a deficient number, since it is larger than the sum of its proper divisors (80190936027).

561336552133 is an equidigital number, since it uses as much as digits as its factorization.

561336552133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80190936026.

The product of its digits is 729000, while the sum is 43.

The spelling of 561336552133 in words is "five hundred sixty-one billion, three hundred thirty-six million, five hundred fifty-two thousand, one hundred thirty-three".