1125523125379 has 2 divisors, whose sum is σ = 1125523125380. Its totient is φ = 1125523125378.

The previous prime is 1125523125343. The next prime is 1125523125439. The reversal of 1125523125379 is 9735213255211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1125523125379 - 2¹⁷ = 1125522994307 is a prime.

It is not a weakly prime, because it can be changed into another prime (1125523125479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 562761562689 + 562761562690.

It is an arithmetic number, because the mean of its divisors is an integer number (562761562690).

Almost surely, 2^{1125523125379} is an apocalyptic number.

1125523125379 is a deficient number, since it is larger than the sum of its proper divisors (1).

1125523125379 is an equidigital number, since it uses as much as digits as its factorization.

1125523125379 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 567000, while the sum is 46.

The spelling of 1125523125379 in words is "one trillion, one hundred twenty-five billion, five hundred twenty-three million, one hundred twenty-five thousand, three hundred seventy-nine".