60556005121 has 2 divisors, whose sum is σ = 60556005122. Its totient is φ = 60556005120.

The previous prime is 60556005091. The next prime is 60556005131. The reversal of 60556005121 is 12150065506.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 56032097521 + 4523907600 = 236711^2 + 67260^2 .

It is a cyclic number.

It is not a de Polignac number, because 60556005121 - 2⁹ = 60556004609 is a prime.

It is not a weakly prime, because it can be changed into another prime (60556005131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30278002560 + 30278002561.

It is an arithmetic number, because the mean of its divisors is an integer number (30278002561).

Almost surely, 2^60556005121 is an apocalyptic number.

It is an amenable number.

60556005121 is a deficient number, since it is larger than the sum of its proper divisors (1).

60556005121 is an equidigital number, since it uses as much as digits as its factorization.

60556005121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9000, while the sum is 31.

The spelling of 60556005121 in words is "sixty billion, five hundred fifty-six million, five thousand, one hundred twenty-one".