1128985442755 has 8 divisors (see below), whose sum is σ = 1357067159712. Its totient is φ = 901665268608.

The previous prime is 1128985442723. The next prime is 1128985442771. The reversal of 1128985442755 is 5572445898211.

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 1128985442755 - 2⁵ = 1128985442723 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1128985442693 and 1128985442702.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 190382439 + ... + 190388368.

It is an arithmetic number, because the mean of its divisors is an integer number (169633394964).

Almost surely, 2^{1128985442755} is an apocalyptic number.

1128985442755 is a deficient number, since it is larger than the sum of its proper divisors (228081716957).

1128985442755 is an equidigital number, since it uses as much as digits as its factorization.

1128985442755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380771405.

The product of its digits is 32256000, while the sum is 61.

The spelling of 1128985442755 in words is "one trillion, one hundred twenty-eight billion, nine hundred eighty-five million, four hundred forty-two thousand, seven hundred fifty-five".