1089913104 has 80 divisors (see below), whose sum is σ = 3575386240. Its totient is φ = 311402880.

The previous prime is 1089913103. The next prime is 1089913109. The reversal of 1089913104 is 4013199801.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1089913103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 177187 + ... + 183234.

It is an arithmetic number, because the mean of its divisors is an integer number (44692328).

Almost surely, 2^1089913104 is an apocalyptic number.

1089913104 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1089913104 is an abundant number, since it is smaller than the sum of its proper divisors (2485473136).

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

1089913104 is a wasteful number, since it uses less digits than its factorization.

1089913104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360445 (or 360433 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 36.

The square root of 1089913104 is about 33013.8320102347. The cubic root of 1089913104 is about 1029.1151177213.

The spelling of 1089913104 in words is "one billion, eighty-nine million, nine hundred thirteen thousand, one hundred four".