1123425115249 has 2 divisors, whose sum is σ = 1123425115250. Its totient is φ = 1123425115248.

The previous prime is 1123425115201. The next prime is 1123425115273. The reversal of 1123425115249 is 9425115243211.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 989889684624 + 133535430625 = 994932^2 + 365425^2 .

It is a cyclic number.

It is not a de Polignac number, because 1123425115249 - 2⁷ = 1123425115121 is a prime.

It is not a weakly prime, because it can be changed into another prime (1123425115279) 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, 561712557624 + 561712557625.

It is an arithmetic number, because the mean of its divisors is an integer number (561712557625).

Almost surely, 2^{1123425115249} is an apocalyptic number.

It is an amenable number.

1123425115249 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123425115249 is an equidigital number, since it uses as much as digits as its factorization.

1123425115249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 86400, while the sum is 40.

The spelling of 1123425115249 in words is "one trillion, one hundred twenty-three billion, four hundred twenty-five million, one hundred fifteen thousand, two hundred forty-nine".