61225703056163 has 2 divisors, whose sum is σ = 61225703056164. Its totient is φ = 61225703056162.

The previous prime is 61225703056153. The next prime is 61225703056181. The reversal of 61225703056163 is 36165030752216.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61225703056163 is a prime.

It is not a weakly prime, because it can be changed into another prime (61225703056153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30612851528081 + 30612851528082.

It is an arithmetic number, because the mean of its divisors is an integer number (30612851528082).

Almost surely, 2^{61225703056163} is an apocalyptic number.

61225703056163 is a deficient number, since it is larger than the sum of its proper divisors (1).

61225703056163 is an equidigital number, since it uses as much as digits as its factorization.

61225703056163 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1360800, while the sum is 47.

The spelling of 61225703056163 in words is "sixty-one trillion, two hundred twenty-five billion, seven hundred three million, fifty-six thousand, one hundred sixty-three".