10000671561061 has 2 divisors, whose sum is σ = 10000671561062. Its totient is φ = 10000671561060.

The previous prime is 10000671561017. The next prime is 10000671561071. The reversal of 10000671561061 is 16016517600001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7251608080161 + 2749063480900 = 2692881^2 + 1658030^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10000671561061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10000671561071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5000335780530 + 5000335780531.

It is an arithmetic number, because the mean of its divisors is an integer number (5000335780531).

Almost surely, 2^{10000671561061} is an apocalyptic number.

It is an amenable number.

10000671561061 is a deficient number, since it is larger than the sum of its proper divisors (1).

10000671561061 is an equidigital number, since it uses as much as digits as its factorization.

10000671561061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560, while the sum is 34.

The spelling of 10000671561061 in words is "ten trillion, six hundred seventy-one million, five hundred sixty-one thousand, sixty-one".