1085045931653 has 2 divisors, whose sum is σ = 1085045931654. Its totient is φ = 1085045931652.

The previous prime is 1085045931643. The next prime is 1085045931659. The reversal of 1085045931653 is 3561395405801.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1083395784769 + 1650146884 = 1040863^2 + 40622^2 .

It is an emirp because it is prime and its reverse (3561395405801) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1085045931653 - 2⁸ = 1085045931397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1085045931659) 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, 542522965826 + 542522965827.

It is an arithmetic number, because the mean of its divisors is an integer number (542522965827).

Almost surely, 2^{1085045931653} is an apocalyptic number.

It is an amenable number.

1085045931653 is a deficient number, since it is larger than the sum of its proper divisors (1).

1085045931653 is an equidigital number, since it uses as much as digits as its factorization.

1085045931653 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944000, while the sum is 50.

The spelling of 1085045931653 in words is "one trillion, eighty-five billion, forty-five million, nine hundred thirty-one thousand, six hundred fifty-three".