1128809280893 has 8 divisors (see below), whose sum is σ = 1290090511488. Its totient is φ = 967533740784.

The previous prime is 1128809280889. The next prime is 1128809280913. The reversal of 1128809280893 is 3980829088211.

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 1128809280893 - 2² = 1128809280889 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1128809250893) 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, 988721 + ... + 1798662.

It is an arithmetic number, because the mean of its divisors is an integer number (161261313936).

Almost surely, 2^{1128809280893} is an apocalyptic number.

It is an amenable number.

1128809280893 is a deficient number, since it is larger than the sum of its proper divisors (161281230595).

1128809280893 is an equidigital number, since it uses as much as digits as its factorization.

1128809280893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2845243.

The product of its (nonzero) digits is 3981312, while the sum is 59.

The spelling of 1128809280893 in words is "one trillion, one hundred twenty-eight billion, eight hundred nine million, two hundred eighty thousand, eight hundred ninety-three".