1042152343109 has 2 divisors, whose sum is σ = 1042152343110. Its totient is φ = 1042152343108.

The previous prime is 1042152343081. The next prime is 1042152343147. The reversal of 1042152343109 is 9013432512401.

It is a happy number.

1042152343109 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1034537162884 + 7615180225 = 1017122^2 + 87265^2 .

It is a cyclic number.

It is not a de Polignac number, because 1042152343109 - 2⁸ = 1042152342853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1042152333109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521076171554 + 521076171555.

It is an arithmetic number, because the mean of its divisors is an integer number (521076171555).

Almost surely, 2^{1042152343109} is an apocalyptic number.

It is an amenable number.

1042152343109 is a deficient number, since it is larger than the sum of its proper divisors (1).

1042152343109 is an equidigital number, since it uses as much as digits as its factorization.

1042152343109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 35.

The spelling of 1042152343109 in words is "one trillion, forty-two billion, one hundred fifty-two million, three hundred forty-three thousand, one hundred nine".