561357284187383 has 16 divisors (see below), whose sum is σ = 566979063598176. Its totient is φ = 555765979466880.

The previous prime is 561357284187379. The next prime is 561357284187499. The reversal of 561357284187383 is 383781482753165.

It is a cyclic number.

It is not a de Polignac number, because 561357284187383 - 2² = 561357284187379 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561357284187983) 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, 40416185 + ... + 52499357.

It is an arithmetic number, because the mean of its divisors is an integer number (35436191474886).

Almost surely, 2^{561357284187383} is an apocalyptic number.

561357284187383 is a deficient number, since it is larger than the sum of its proper divisors (5621779410793).

561357284187383 is a wasteful number, since it uses less digits than its factorization.

561357284187383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12084434.

The product of its digits is 812851200, while the sum is 71.

The spelling of 561357284187383 in words is "five hundred sixty-one trillion, three hundred fifty-seven billion, two hundred eighty-four million, one hundred eighty-seven thousand, three hundred eighty-three".