1125144425479 has 2 divisors, whose sum is σ = 1125144425480. Its totient is φ = 1125144425478.

The previous prime is 1125144425467. The next prime is 1125144425551. The reversal of 1125144425479 is 9745244415211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1125144425479 - 2¹⁵ = 1125144392711 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1125144425429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 562572212739 + 562572212740.

It is an arithmetic number, because the mean of its divisors is an integer number (562572212740).

Almost surely, 2^{1125144425479} is an apocalyptic number.

1125144425479 is a deficient number, since it is larger than the sum of its proper divisors (1).

1125144425479 is an equidigital number, since it uses as much as digits as its factorization.

1125144425479 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1612800, while the sum is 49.

The spelling of 1125144425479 in words is "one trillion, one hundred twenty-five billion, one hundred forty-four million, four hundred twenty-five thousand, four hundred seventy-nine".