1118571611057 has 2 divisors, whose sum is σ = 1118571611058. Its totient is φ = 1118571611056.

The previous prime is 1118571610993. The next prime is 1118571611063. The reversal of 1118571611057 is 7501161758111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 700274406976 + 418297204081 = 836824^2 + 646759^2 .

It is a cyclic number.

It is not a de Polignac number, because 1118571611057 - 2⁶ = 1118571610993 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1118571610999 and 1118571611017.

It is not a weakly prime, because it can be changed into another prime (1118571611657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 559285805528 + 559285805529.

It is an arithmetic number, because the mean of its divisors is an integer number (559285805529).

Almost surely, 2^{1118571611057} is an apocalyptic number.

It is an amenable number.

1118571611057 is a deficient number, since it is larger than the sum of its proper divisors (1).

1118571611057 is an equidigital number, since it uses as much as digits as its factorization.

1118571611057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 58800, while the sum is 44.

The spelling of 1118571611057 in words is "one trillion, one hundred eighteen billion, five hundred seventy-one million, six hundred eleven thousand, fifty-seven".