1085031205597 has 2 divisors, whose sum is σ = 1085031205598. Its totient is φ = 1085031205596.

The previous prime is 1085031205537. The next prime is 1085031205639. The reversal of 1085031205597 is 7955021305801.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 817756681401 + 267274524196 = 904299^2 + 516986^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1085031205597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1085031205537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 542515602798 + 542515602799.

It is an arithmetic number, because the mean of its divisors is an integer number (542515602799).

Almost surely, 2^{1085031205597} is an apocalyptic number.

It is an amenable number.

1085031205597 is a deficient number, since it is larger than the sum of its proper divisors (1).

1085031205597 is an equidigital number, since it uses as much as digits as its factorization.

1085031205597 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 378000, while the sum is 46.

The spelling of 1085031205597 in words is "one trillion, eighty-five billion, thirty-one million, two hundred five thousand, five hundred ninety-seven".