11089554 has 32 divisors (see below), whose sum is σ = 25480320. Its totient is φ = 3151872.

The previous prime is 11089553. The next prime is 11089577. The reversal of 11089554 is 45598011.

It is not an unprimeable number, because it can be changed into a prime (11089553) 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, 9042 + ... + 10194.

It is an arithmetic number, because the mean of its divisors is an integer number (796260).

Almost surely, 2^11089554 is an apocalyptic number.

11089554 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

11089554 is an abundant number, since it is smaller than the sum of its proper divisors (14390766).

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

11089554 is a wasteful number, since it uses less digits than its factorization.

11089554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1394.

The product of its (nonzero) digits is 7200, while the sum is 33.

The square root of 11089554 is about 3330.0981967504. The cubic root of 11089554 is about 222.9999128610. Note that the first 4 decimals are identical.

The spelling of 11089554 in words is "eleven million, eighty-nine thousand, five hundred fifty-four".