11119920 has 80 divisors (see below), whose sum is σ = 39402240. Its totient is φ = 2541312.

The previous prime is 11119909. The next prime is 11119931. The reversal of 11119920 is 2991111.

It is an interprime number because it is at equal distance from previous prime (11119909) and next prime (11119931).

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

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, 1630 + ... + 4989.

It is an arithmetic number, because the mean of its divisors is an integer number (492528).

Almost surely, 2^11119920 is an apocalyptic number.

11119920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11119920 is an abundant number, since it is smaller than the sum of its proper divisors (28282320).

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

11119920 is a wasteful number, since it uses less digits than its factorization.

11119920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6642 (or 6636 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 24.

The square root of 11119920 is about 3334.6544048822. The cubic root of 11119920 is about 223.2032707220.

The spelling of 11119920 in words is "eleven million, one hundred nineteen thousand, nine hundred twenty".