60556005091 has 2 divisors, whose sum is σ = 60556005092. Its totient is φ = 60556005090.

The previous prime is 60556005073. The next prime is 60556005121. The reversal of 60556005091 is 19050065506.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 60556005091 - 2¹³ = 60555996899 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 60556005091.

It is not a weakly prime, because it can be changed into another prime (60556005001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30278002545 + 30278002546.

It is an arithmetic number, because the mean of its divisors is an integer number (30278002546).

Almost surely, 2^60556005091 is an apocalyptic number.

60556005091 is a deficient number, since it is larger than the sum of its proper divisors (1).

60556005091 is an equidigital number, since it uses as much as digits as its factorization.

60556005091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40500, while the sum is 37.

The spelling of 60556005091 in words is "sixty billion, five hundred fifty-six million, five thousand, ninety-one".