61010555050663 has 2 divisors, whose sum is σ = 61010555050664. Its totient is φ = 61010555050662.

The previous prime is 61010555050513. The next prime is 61010555050699. The reversal of 61010555050663 is 36605055501016.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61010555050663 is a prime.

It is a super-3 number, since 3×61010555050663³ (a number of 42 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61010555050063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30505277525331 + 30505277525332.

It is an arithmetic number, because the mean of its divisors is an integer number (30505277525332).

Almost surely, 2^{61010555050663} is an apocalyptic number.

61010555050663 is a deficient number, since it is larger than the sum of its proper divisors (1).

61010555050663 is an equidigital number, since it uses as much as digits as its factorization.

61010555050663 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 405000, while the sum is 43.

The spelling of 61010555050663 in words is "sixty-one trillion, ten billion, five hundred fifty-five million, fifty thousand, six hundred sixty-three".