1045131135689 has 2 divisors, whose sum is σ = 1045131135690. Its totient is φ = 1045131135688.

The previous prime is 1045131135593. The next prime is 1045131135731. The reversal of 1045131135689 is 9865311315401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 962527777225 + 82603358464 = 981085^2 + 287408^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1045131135689 is a prime.

It is not a weakly prime, because it can be changed into another prime (1045131135089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 522565567844 + 522565567845.

It is an arithmetic number, because the mean of its divisors is an integer number (522565567845).

Almost surely, 2^{1045131135689} is an apocalyptic number.

It is an amenable number.

1045131135689 is a deficient number, since it is larger than the sum of its proper divisors (1).

1045131135689 is an equidigital number, since it uses as much as digits as its factorization.

1045131135689 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 388800, while the sum is 47.

The spelling of 1045131135689 in words is "one trillion, forty-five billion, one hundred thirty-one million, one hundred thirty-five thousand, six hundred eighty-nine".