60815218253 has 2 divisors, whose sum is σ = 60815218254. Its totient is φ = 60815218252.

The previous prime is 60815218237. The next prime is 60815218271. The reversal of 60815218253 is 35281251806.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 60438780649 + 376437604 = 245843^2 + 19402^2 .

It is a cyclic number.

It is not a de Polignac number, because 60815218253 - 2⁴ = 60815218237 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 60815218253.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (60815218273) 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, 30407609126 + 30407609127.

It is an arithmetic number, because the mean of its divisors is an integer number (30407609127).

Almost surely, 2^60815218253 is an apocalyptic number.

It is an amenable number.

60815218253 is a deficient number, since it is larger than the sum of its proper divisors (1).

60815218253 is an equidigital number, since it uses as much as digits as its factorization.

60815218253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 115200, while the sum is 41.

The spelling of 60815218253 in words is "sixty billion, eight hundred fifteen million, two hundred eighteen thousand, two hundred fifty-three".