61056060517 has 2 divisors, whose sum is σ = 61056060518. Its totient is φ = 61056060516.

The previous prime is 61056060503. The next prime is 61056060523. The reversal of 61056060517 is 71506065016.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32318691076 + 28737369441 = 179774^2 + 169521^2 .

It is a cyclic number.

It is not a de Polignac number, because 61056060517 - 2²⁷ = 60921842789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61056060547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30528030258 + 30528030259.

It is an arithmetic number, because the mean of its divisors is an integer number (30528030259).

Almost surely, 2^61056060517 is an apocalyptic number.

It is an amenable number.

61056060517 is a deficient number, since it is larger than the sum of its proper divisors (1).

61056060517 is an equidigital number, since it uses as much as digits as its factorization.

61056060517 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 37800, while the sum is 37.

The spelling of 61056060517 in words is "sixty-one billion, fifty-six million, sixty thousand, five hundred seventeen".