5061566551 has 2 divisors, whose sum is σ = 5061566552. Its totient is φ = 5061566550.

The previous prime is 5061566539. The next prime is 5061566581. The reversal of 5061566551 is 1556651605.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5061566551 - 2⁷ = 5061566423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5061566581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2530783275 + 2530783276.

It is an arithmetic number, because the mean of its divisors is an integer number (2530783276).

Almost surely, 2^5061566551 is an apocalyptic number.

5061566551 is a deficient number, since it is larger than the sum of its proper divisors (1).

5061566551 is an equidigital number, since it uses as much as digits as its factorization.

5061566551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 135000, while the sum is 40.

The square root of 5061566551 is about 71144.6874404548. The cubic root of 5061566551 is about 1716.9658232823.

The spelling of 5061566551 in words is "five billion, sixty-one million, five hundred sixty-six thousand, five hundred fifty-one".