1042150355209 has 2 divisors, whose sum is σ = 1042150355210. Its totient is φ = 1042150355208.

The previous prime is 1042150355201. The next prime is 1042150355231. The reversal of 1042150355209 is 9025530512401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1038045134025 + 4105221184 = 1018845^2 + 64072^2 .

It is a cyclic number.

It is not a de Polignac number, because 1042150355209 - 2³ = 1042150355201 is a prime.

It is not a weakly prime, because it can be changed into another prime (1042150355201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521075177604 + 521075177605.

It is an arithmetic number, because the mean of its divisors is an integer number (521075177605).

Almost surely, 2^{1042150355209} is an apocalyptic number.

It is an amenable number.

1042150355209 is a deficient number, since it is larger than the sum of its proper divisors (1).

1042150355209 is an equidigital number, since it uses as much as digits as its factorization.

1042150355209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54000, while the sum is 37.

The spelling of 1042150355209 in words is "one trillion, forty-two billion, one hundred fifty million, three hundred fifty-five thousand, two hundred nine".