1085260144057 has 2 divisors, whose sum is σ = 1085260144058. Its totient is φ = 1085260144056.

The previous prime is 1085260143953. The next prime is 1085260144103. The reversal of 1085260144057 is 7504410625801.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 912246573456 + 173013570601 = 955116^2 + 415949^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1085260144057 is a prime.

It is not a weakly prime, because it can be changed into another prime (1085263144057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 542630072028 + 542630072029.

It is an arithmetic number, because the mean of its divisors is an integer number (542630072029).

Almost surely, 2^{1085260144057} is an apocalyptic number.

It is an amenable number.

1085260144057 is a deficient number, since it is larger than the sum of its proper divisors (1).

1085260144057 is an equidigital number, since it uses as much as digits as its factorization.

1085260144057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 268800, while the sum is 43.

Adding to 1085260144057 its reverse (7504410625801), we get a palindrome (8589670769858).

The spelling of 1085260144057 in words is "one trillion, eighty-five billion, two hundred sixty million, one hundred forty-four thousand, fifty-seven".