61015343101 has 2 divisors, whose sum is σ = 61015343102. Its totient is φ = 61015343100.

The previous prime is 61015343071. The next prime is 61015343111. The reversal of 61015343101 is 10134351016.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53227104100 + 7788239001 = 230710^2 + 88251^2 .

It is a cyclic number.

It is not a de Polignac number, because 61015343101 - 2⁹ = 61015342589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61015343111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30507671550 + 30507671551.

It is an arithmetic number, because the mean of its divisors is an integer number (30507671551).

Almost surely, 2^61015343101 is an apocalyptic number.

It is an amenable number.

61015343101 is a deficient number, since it is larger than the sum of its proper divisors (1).

61015343101 is an equidigital number, since it uses as much as digits as its factorization.

61015343101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 25.

Adding to 61015343101 its reverse (10134351016), we get a palindrome (71149694117).

The spelling of 61015343101 in words is "sixty-one billion, fifteen million, three hundred forty-three thousand, one hundred one".