5551061005517 has 2 divisors, whose sum is σ = 5551061005518. Its totient is φ = 5551061005516.

The previous prime is 5551061005471. The next prime is 5551061005573. The reversal of 5551061005517 is 7155001601555.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5525630643556 + 25430361961 = 2350666^2 + 159469^2 .

It is a cyclic number.

It is not a de Polignac number, because 5551061005517 - 2³⁸ = 5276183098573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5551061005417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2775530502758 + 2775530502759.

It is an arithmetic number, because the mean of its divisors is an integer number (2775530502759).

Almost surely, 2^{5551061005517} is an apocalyptic number.

It is an amenable number.

5551061005517 is a deficient number, since it is larger than the sum of its proper divisors (1).

5551061005517 is an equidigital number, since it uses as much as digits as its factorization.

5551061005517 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 131250, while the sum is 41.

The spelling of 5551061005517 in words is "five trillion, five hundred fifty-one billion, sixty-one million, five thousand, five hundred seventeen".