1280531150027 has 2 divisors, whose sum is σ = 1280531150028. Its totient is φ = 1280531150026.

The previous prime is 1280531150021. The next prime is 1280531150053. The reversal of 1280531150027 is 7200511350821.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1280531150027 - 2⁴ = 1280531150011 is a prime.

It is not a weakly prime, because it can be changed into another prime (1280531150021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 640265575013 + 640265575014.

It is an arithmetic number, because the mean of its divisors is an integer number (640265575014).

Almost surely, 2^{1280531150027} is an apocalyptic number.

1280531150027 is a deficient number, since it is larger than the sum of its proper divisors (1).

1280531150027 is an equidigital number, since it uses as much as digits as its factorization.

1280531150027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16800, while the sum is 35.

The spelling of 1280531150027 in words is "one trillion, two hundred eighty billion, five hundred thirty-one million, one hundred fifty thousand, twenty-seven".