5561050555651 has 2 divisors, whose sum is σ = 5561050555652. Its totient is φ = 5561050555650.

The previous prime is 5561050555537. The next prime is 5561050555667. The reversal of 5561050555651 is 1565550501655.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5561050555651 - 2¹¹ = 5561050553603 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5561050555595 and 5561050555604.

It is not a weakly prime, because it can be changed into another prime (5561050555751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2780525277825 + 2780525277826.

It is an arithmetic number, because the mean of its divisors is an integer number (2780525277826).

Almost surely, 2^{5561050555651} is an apocalyptic number.

5561050555651 is a deficient number, since it is larger than the sum of its proper divisors (1).

5561050555651 is an equidigital number, since it uses as much as digits as its factorization.

5561050555651 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2812500, while the sum is 49.

The spelling of 5561050555651 in words is "five trillion, five hundred sixty-one billion, fifty million, five hundred fifty-five thousand, six hundred fifty-one".