1128309643803 has 8 divisors (see below), whose sum is σ = 1504483273216. Its totient is φ = 752171221800.

The previous prime is 1128309643771. The next prime is 1128309643829. The reversal of 1128309643803 is 3083469038211.

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

It is not a de Polignac number, because 1128309643803 - 2⁵ = 1128309643771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1128309643883) 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, 8726983 + ... + 8855328.

It is an arithmetic number, because the mean of its divisors is an integer number (188060409152).

Almost surely, 2^{1128309643803} is an apocalyptic number.

1128309643803 is a deficient number, since it is larger than the sum of its proper divisors (376173629413).

1128309643803 is a wasteful number, since it uses less digits than its factorization.

1128309643803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17603705.

The product of its (nonzero) digits is 746496, while the sum is 48.

The spelling of 1128309643803 in words is "one trillion, one hundred twenty-eight billion, three hundred nine million, six hundred forty-three thousand, eight hundred three".