1125738494389 has 8 divisors (see below), whose sum is σ = 1128057396480. Its totient is φ = 1123420788000.

The previous prime is 1125738494357. The next prime is 1125738494407. The reversal of 1125738494389 is 9834948375211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1125738494389 - 2⁵ = 1125738494357 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1125738494389.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1125738494329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1598364 + ... + 2192314.

It is an arithmetic number, because the mean of its divisors is an integer number (141007174560).

Almost surely, 2^{1125738494389} is an apocalyptic number.

It is an amenable number.

1125738494389 is a deficient number, since it is larger than the sum of its proper divisors (2318902091).

1125738494389 is an equidigital number, since it uses as much as digits as its factorization.

1125738494389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 597851.

The product of its digits is 52254720, while the sum is 64.

The spelling of 1125738494389 in words is "one trillion, one hundred twenty-five billion, seven hundred thirty-eight million, four hundred ninety-four thousand, three hundred eighty-nine".