1089118920894 has 64 divisors (see below), whose sum is σ = 2236618137600. Its totient is φ = 353440124928.

The previous prime is 1089118920887. The next prime is 1089118920991. The reversal of 1089118920894 is 4980298119801.

It is a super-2 number, since 2×1089118920894² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 96129822 + ... + 96141150.

It is an arithmetic number, because the mean of its divisors is an integer number (34947158400).

Almost surely, 2^{1089118920894} is an apocalyptic number.

1089118920894 is an abundant number, since it is smaller than the sum of its proper divisors (1147499216706).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1089118920894 is a wasteful number, since it uses less digits than its factorization.

1089118920894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14177.

The product of its (nonzero) digits is 2985984, while the sum is 60.

The spelling of 1089118920894 in words is "one trillion, eighty-nine billion, one hundred eighteen million, nine hundred twenty thousand, eight hundred ninety-four".