1017840007057 has 2 divisors, whose sum is σ = 1017840007058. Its totient is φ = 1017840007056.

The previous prime is 1017840007049. The next prime is 1017840007139. The reversal of 1017840007057 is 7507000487101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 967707005841 + 50133001216 = 983721^2 + 223904^2 .

It is a cyclic number.

It is not a de Polignac number, because 1017840007057 - 2³ = 1017840007049 is a prime.

It is not a weakly prime, because it can be changed into another prime (1017840007757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 508920003528 + 508920003529.

It is an arithmetic number, because the mean of its divisors is an integer number (508920003529).

Almost surely, 2^{1017840007057} is an apocalyptic number.

It is an amenable number.

1017840007057 is a deficient number, since it is larger than the sum of its proper divisors (1).

1017840007057 is an equidigital number, since it uses as much as digits as its factorization.

1017840007057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54880, while the sum is 40.

The spelling of 1017840007057 in words is "one trillion, seventeen billion, eight hundred forty million, seven thousand, fifty-seven".