61060555099 has 2 divisors, whose sum is σ = 61060555100. Its totient is φ = 61060555098.

The previous prime is 61060555033. The next prime is 61060555121. The reversal of 61060555099 is 99055506016.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61060555099 - 2²⁵ = 61027000667 is a prime.

It is not a weakly prime, because it can be changed into another prime (61060555009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30530277549 + 30530277550.

It is an arithmetic number, because the mean of its divisors is an integer number (30530277550).

Almost surely, 2^61060555099 is an apocalyptic number.

61060555099 is a deficient number, since it is larger than the sum of its proper divisors (1).

61060555099 is an equidigital number, since it uses as much as digits as its factorization.

61060555099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 364500, while the sum is 46.

The spelling of 61060555099 in words is "sixty-one billion, sixty million, five hundred fifty-five thousand, ninety-nine".