5661430746751 has 32 divisors (see below), whose sum is σ = 6315038940672. Its totient is φ = 5041977978240.

The previous prime is 5661430746737. The next prime is 5661430746761. The reversal of 5661430746751 is 1576470341665.

It is a cyclic number.

It is not a de Polignac number, because 5661430746751 - 2¹³ = 5661430738559 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5661430746692 and 5661430746701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5661430746721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 433387846 + ... + 433400908.

It is an arithmetic number, because the mean of its divisors is an integer number (197344966896).

Almost surely, 2^{5661430746751} is an apocalyptic number.

5661430746751 is a deficient number, since it is larger than the sum of its proper divisors (653608193921).

5661430746751 is a wasteful number, since it uses less digits than its factorization.

5661430746751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22543.

The product of its (nonzero) digits is 12700800, while the sum is 55.

The spelling of 5661430746751 in words is "five trillion, six hundred sixty-one billion, four hundred thirty million, seven hundred forty-six thousand, seven hundred fifty-one".