1125504742393 has 2 divisors, whose sum is σ = 1125504742394. Its totient is φ = 1125504742392.

The previous prime is 1125504742381. The next prime is 1125504742451. The reversal of 1125504742393 is 3932474055211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 885691796544 + 239812945849 = 941112^2 + 489707^2 .

It is a cyclic number.

It is not a de Polignac number, because 1125504742393 - 2¹⁷ = 1125504611321 is a prime.

It is not a weakly prime, because it can be changed into another prime (1125504742333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 562752371196 + 562752371197.

It is an arithmetic number, because the mean of its divisors is an integer number (562752371197).

Almost surely, 2^{1125504742393} is an apocalyptic number.

It is an amenable number.

1125504742393 is a deficient number, since it is larger than the sum of its proper divisors (1).

1125504742393 is an equidigital number, since it uses as much as digits as its factorization.

1125504742393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 907200, while the sum is 46.

The spelling of 1125504742393 in words is "one trillion, one hundred twenty-five billion, five hundred four million, seven hundred forty-two thousand, three hundred ninety-three".