11148920 has 32 divisors (see below), whose sum is σ = 25250400. Its totient is φ = 4430208.

The previous prime is 11148899. The next prime is 11148947. The reversal of 11148920 is 2984111.

11148920 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 3339²-1.

It is a self number, because there is not a number n which added to its sum of digits gives 11148920.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5846 + ... + 7514.

It is an arithmetic number, because the mean of its divisors is an integer number (789075).

Almost surely, 2^11148920 is an apocalyptic number.

11148920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11148920 is an abundant number, since it is smaller than the sum of its proper divisors (14101480).

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

11148920 is a wasteful number, since it uses less digits than its factorization.

11148920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1847 (or 1843 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 26.

The square root of 11148920 is about 3338.9998502546. Note that the first 3 decimals coincide. The cubic root of 11148920 is about 223.3971353071.

The spelling of 11148920 in words is "eleven million, one hundred forty-eight thousand, nine hundred twenty".