2001043616057 has 2 divisors, whose sum is σ = 2001043616058. Its totient is φ = 2001043616056.

The previous prime is 2001043616003. The next prime is 2001043616147. The reversal of 2001043616057 is 7506163401002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1118441614096 + 882602001961 = 1057564^2 + 939469^2 .

It is a cyclic number.

It is not a de Polignac number, because 2001043616057 - 2⁸ = 2001043615801 is a prime.

It is not a weakly prime, because it can be changed into another prime (2001043636057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000521808028 + 1000521808029.

It is an arithmetic number, because the mean of its divisors is an integer number (1000521808029).

Almost surely, 2^{2001043616057} is an apocalyptic number.

It is an amenable number.

2001043616057 is a deficient number, since it is larger than the sum of its proper divisors (1).

2001043616057 is an equidigital number, since it uses as much as digits as its factorization.

2001043616057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 35.

The spelling of 2001043616057 in words is "two trillion, one billion, forty-three million, six hundred sixteen thousand, fifty-seven".