1531470665141 has 2 divisors, whose sum is σ = 1531470665142. Its totient is φ = 1531470665140.

The previous prime is 1531470665083. The next prime is 1531470665159. The reversal of 1531470665141 is 1415660741351.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 784189947025 + 747280718116 = 885545^2 + 864454^2 .

It is a cyclic number.

It is not a de Polignac number, because 1531470665141 - 2²² = 1531466470837 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1531470665092 and 1531470665101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1531470665171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 765735332570 + 765735332571.

It is an arithmetic number, because the mean of its divisors is an integer number (765735332571).

Almost surely, 2^{1531470665141} is an apocalyptic number.

It is an amenable number.

1531470665141 is a deficient number, since it is larger than the sum of its proper divisors (1).

1531470665141 is an equidigital number, since it uses as much as digits as its factorization.

1531470665141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 302400, while the sum is 44.

The spelling of 1531470665141 in words is "one trillion, five hundred thirty-one billion, four hundred seventy million, six hundred sixty-five thousand, one hundred forty-one".