1125398703893 has 2 divisors, whose sum is σ = 1125398703894. Its totient is φ = 1125398703892.

The previous prime is 1125398703887. The next prime is 1125398703973. The reversal of 1125398703893 is 3983078935211.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1023967919569 + 101430784324 = 1011913^2 + 318482^2 .

It is an emirp because it is prime and its reverse (3983078935211) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1125398703893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1125398703833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 562699351946 + 562699351947.

It is an arithmetic number, because the mean of its divisors is an integer number (562699351947).

Almost surely, 2^{1125398703893} is an apocalyptic number.

It is an amenable number.

1125398703893 is a deficient number, since it is larger than the sum of its proper divisors (1).

1125398703893 is an equidigital number, since it uses as much as digits as its factorization.

1125398703893 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9797760, while the sum is 59.

The spelling of 1125398703893 in words is "one trillion, one hundred twenty-five billion, three hundred ninety-eight million, seven hundred three thousand, eight hundred ninety-three".