1125144425429 has 2 divisors, whose sum is σ = 1125144425430. Its totient is φ = 1125144425428.

The previous prime is 1125144425411. The next prime is 1125144425453. The reversal of 1125144425429 is 9245244415211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1125141768529 + 2656900 = 1060727^2 + 1630^2 .

It is a cyclic number.

It is not a de Polignac number, because 1125144425429 - 2²⁰ = 1125143376853 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1125144425429.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1125144425479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 562572212714 + 562572212715.

It is an arithmetic number, because the mean of its divisors is an integer number (562572212715).

Almost surely, 2^{1125144425429} is an apocalyptic number.

It is an amenable number.

1125144425429 is a deficient number, since it is larger than the sum of its proper divisors (1).

1125144425429 is an equidigital number, since it uses as much as digits as its factorization.

1125144425429 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 460800, while the sum is 44.

The spelling of 1125144425429 in words is "one trillion, one hundred twenty-five billion, one hundred forty-four million, four hundred twenty-five thousand, four hundred twenty-nine".