61206010517 has 2 divisors, whose sum is σ = 61206010518. Its totient is φ = 61206010516.

The previous prime is 61206010501. The next prime is 61206010559. The reversal of 61206010517 is 71501060216.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 60599176561 + 606833956 = 246169^2 + 24634^2 .

It is a cyclic number.

It is not a de Polignac number, because 61206010517 - 2⁴ = 61206010501 is a prime.

It is a super-2 number, since 2×61206010517² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 61206010517.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61206010417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30603005258 + 30603005259.

It is an arithmetic number, because the mean of its divisors is an integer number (30603005259).

Almost surely, 2^61206010517 is an apocalyptic number.

It is an amenable number.

61206010517 is a deficient number, since it is larger than the sum of its proper divisors (1).

61206010517 is an equidigital number, since it uses as much as digits as its factorization.

61206010517 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 29.

The spelling of 61206010517 in words is "sixty-one billion, two hundred six million, ten thousand, five hundred seventeen".