11089880 has 16 divisors (see below), whose sum is σ = 24952320. Its totient is φ = 4435936.

The previous prime is 11089877. The next prime is 11089891. The reversal of 11089880 is 8898011.

11089880 = T₁₇₆ + T₁₇₇ + ... + T₄₁₅.

It is a self number, because there is not a number n which added to its sum of digits gives 11089880.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138584 + ... + 138663.

It is an arithmetic number, because the mean of its divisors is an integer number (1559520).

Almost surely, 2^11089880 is an apocalyptic number.

11089880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11089880 is an abundant number, since it is smaller than the sum of its proper divisors (13862440).

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

11089880 is a wasteful number, since it uses less digits than its factorization.

11089880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277258 (or 277254 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 35.

The square root of 11089880 is about 3330.1471438962. The cubic root of 11089880 is about 223.0020980183.

The spelling of 11089880 in words is "eleven million, eighty-nine thousand, eight hundred eighty".