2057115560161 has 2 divisors, whose sum is σ = 2057115560162. Its totient is φ = 2057115560160.

The previous prime is 2057115560113. The next prime is 2057115560189. The reversal of 2057115560161 is 1610655117502.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2027545318561 + 29570241600 = 1423919^2 + 171960^2 .

It is a cyclic number.

It is not a de Polignac number, because 2057115560161 - 2⁹ = 2057115559649 is a prime.

It is not a weakly prime, because it can be changed into another prime (2057115560761) 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, 1028557780080 + 1028557780081.

It is an arithmetic number, because the mean of its divisors is an integer number (1028557780081).

Almost surely, 2^{2057115560161} is an apocalyptic number.

It is an amenable number.

2057115560161 is a deficient number, since it is larger than the sum of its proper divisors (1).

2057115560161 is an equidigital number, since it uses as much as digits as its factorization.

2057115560161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 63000, while the sum is 40.

The spelling of 2057115560161 in words is "two trillion, fifty-seven billion, one hundred fifteen million, five hundred sixty thousand, one hundred sixty-one".