1089109020802 has 8 divisors (see below), whose sum is σ = 1782178397712. Its totient is φ = 495049554900.

The previous prime is 1089109020793. The next prime is 1089109020827. The reversal of 1089109020802 is 2080209019801.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24752477724 + ... + 24752477767.

It is an arithmetic number, because the mean of its divisors is an integer number (222772299714).

Almost surely, 2^{1089109020802} is an apocalyptic number.

1089109020802 is a deficient number, since it is larger than the sum of its proper divisors (693069376910).

1089109020802 is a wasteful number, since it uses less digits than its factorization.

1089109020802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49504955504.

The product of its (nonzero) digits is 20736, while the sum is 40.

The spelling of 1089109020802 in words is "one trillion, eighty-nine billion, one hundred nine million, twenty thousand, eight hundred two".