60615251617 has 2 divisors, whose sum is σ = 60615251618. Its totient is φ = 60615251616.

The previous prime is 60615251603. The next prime is 60615251681. The reversal of 60615251617 is 71615251606.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33965015616 + 26650236001 = 184296^2 + 163249^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-60615251617 is a prime.

It is a super-2 number, since 2×60615251617² (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 60615251617.

It is not a weakly prime, because it can be changed into another prime (60615261617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30307625808 + 30307625809.

It is an arithmetic number, because the mean of its divisors is an integer number (30307625809).

Almost surely, 2^60615251617 is an apocalyptic number.

It is an amenable number.

60615251617 is a deficient number, since it is larger than the sum of its proper divisors (1).

60615251617 is an equidigital number, since it uses as much as digits as its factorization.

60615251617 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 75600, while the sum is 40.

The spelling of 60615251617 in words is "sixty billion, six hundred fifteen million, two hundred fifty-one thousand, six hundred seventeen".