5661319561713 has 48 divisors (see below), whose sum is σ = 8388083321280. Its totient is φ = 3677994283392.

The previous prime is 5661319561673. The next prime is 5661319561727. The reversal of 5661319561713 is 3171659131665.

It is a happy number.

5661319561713 is a `hidden beast` number, since 5 + 6 + 6 + 1 + 3 + 1 + 9 + 5 + 617 + 13 = 666.

It is not a de Polignac number, because 5661319561713 - 2⁶ = 5661319561649 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 5661319561713.

It is not an unprimeable number, because it can be changed into a prime (5661319561753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 129744606 + ... + 129788232.

It is an arithmetic number, because the mean of its divisors is an integer number (174751735860).

Almost surely, 2^{5661319561713} is an apocalyptic number.

5661319561713 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

It is an amenable number.

5661319561713 is a deficient number, since it is larger than the sum of its proper divisors (2726763759567).

5661319561713 is a wasteful number, since it uses less digits than its factorization.

5661319561713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45518 (or 45515 counting only the distinct ones).

The product of its digits is 3061800, while the sum is 54.

The spelling of 5661319561713 in words is "five trillion, six hundred sixty-one billion, three hundred nineteen million, five hundred sixty-one thousand, seven hundred thirteen".