2061041245517 has 2 divisors, whose sum is σ = 2061041245518. Its totient is φ = 2061041245516.

The previous prime is 2061041245327. The next prime is 2061041245519. The reversal of 2061041245517 is 7155421401602.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2060930132836 + 111112681 = 1435594^2 + 10541^2 .

It is a cyclic number.

It is not a de Polignac number, because 2061041245517 - 2⁸ = 2061041245261 is a prime.

Together with 2061041245519, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2061041245519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1030520622758 + 1030520622759.

It is an arithmetic number, because the mean of its divisors is an integer number (1030520622759).

Almost surely, 2^{2061041245517} is an apocalyptic number.

It is an amenable number.

2061041245517 is a deficient number, since it is larger than the sum of its proper divisors (1).

2061041245517 is an equidigital number, since it uses as much as digits as its factorization.

2061041245517 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 67200, while the sum is 38.

The spelling of 2061041245517 in words is "two trillion, sixty-one billion, forty-one million, two hundred forty-five thousand, five hundred seventeen".