1089209009901 has 8 divisors (see below), whose sum is σ = 1455165915840. Its totient is φ = 724695721952.

The previous prime is 1089209009897. The next prime is 1089209009929. The reversal of 1089209009901 is 1099009029801.

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 1089209009901 - 2² = 1089209009897 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1089209009951) 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, 360902736 + ... + 360905753.

It is an arithmetic number, because the mean of its divisors is an integer number (181895739480).

Almost surely, 2^{1089209009901} is an apocalyptic number.

It is an amenable number.

1089209009901 is a deficient number, since it is larger than the sum of its proper divisors (365956905939).

1089209009901 is an equidigital number, since it uses as much as digits as its factorization.

1089209009901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 721808995.

The product of its (nonzero) digits is 104976, while the sum is 48.

The spelling of 1089209009901 in words is "one trillion, eighty-nine billion, two hundred nine million, nine thousand, nine hundred one".