5561757245641 has 2 divisors, whose sum is σ = 5561757245642. Its totient is φ = 5561757245640.

The previous prime is 5561757245609. The next prime is 5561757245753. The reversal of 5561757245641 is 1465427571655.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3084923396025 + 2476833849616 = 1756395^2 + 1573796^2 .

It is a cyclic number.

It is not a de Polignac number, because 5561757245641 - 2⁵ = 5561757245609 is a prime.

It is not a weakly prime, because it can be changed into another prime (5561757245041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2780878622820 + 2780878622821.

It is an arithmetic number, because the mean of its divisors is an integer number (2780878622821).

Almost surely, 2^{5561757245641} is an apocalyptic number.

It is an amenable number.

5561757245641 is a deficient number, since it is larger than the sum of its proper divisors (1).

5561757245641 is an equidigital number, since it uses as much as digits as its factorization.

5561757245641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 35280000, while the sum is 58.

The spelling of 5561757245641 in words is "five trillion, five hundred sixty-one billion, seven hundred fifty-seven million, two hundred forty-five thousand, six hundred forty-one".